diff --git a/doc/01-basic-usage.md b/doc/01-basic-usage.md
index e1faa6318..de511260d 100644
--- a/doc/01-basic-usage.md
+++ b/doc/01-basic-usage.md
@@ -159,7 +159,7 @@ php composer.phar update
 > if the `composer.lock` has not been updated since changes were made to the
 > `composer.json` that might affect dependency resolution.
 
-If you only want to install or update one dependency, you can whitelist them:
+If you only want to install, upgrade or remove one dependency, you can whitelist them:
 
 ```sh
 php composer.phar update monolog/monolog [...]
diff --git a/src/Composer/Command/SelfUpdateCommand.php b/src/Composer/Command/SelfUpdateCommand.php
index 9beb0b8c4..356523492 100644
--- a/src/Composer/Command/SelfUpdateCommand.php
+++ b/src/Composer/Command/SelfUpdateCommand.php
@@ -154,7 +154,7 @@ EOT
 
         $updatingToTag = !preg_match('{^[0-9a-f]{40}$}', $updateVersion);
 
-        $io->write(sprintf("Updating to version <info>%s</info> (%s channel).", $updateVersion, $versionsUtil->getChannel()));
+        $io->write(sprintf("Upgrading to version <info>%s</info> (%s channel).", $updateVersion, $versionsUtil->getChannel()));
         $remoteFilename = $baseUrl . ($updatingToTag ? "/download/{$updateVersion}/composer.phar" : '/composer.phar');
         $signature = $httpDownloader->get($remoteFilename.'.sig')->getBody();
         $io->writeError('   ', false);
diff --git a/src/Composer/DependencyResolver/Operation/UpdateOperation.php b/src/Composer/DependencyResolver/Operation/UpdateOperation.php
index 38ca6e330..61bcd7f5b 100644
--- a/src/Composer/DependencyResolver/Operation/UpdateOperation.php
+++ b/src/Composer/DependencyResolver/Operation/UpdateOperation.php
@@ -86,7 +86,7 @@ class UpdateOperation extends SolverOperation
             $toVersion = $this->targetPackage->getFullPrettyVersion(true, PackageInterface::DISPLAY_DIST_REF);
         }
 
-        $actionName = VersionParser::isUpgrade($this->initialPackage->getVersion(), $this->targetPackage->getVersion()) ? 'Updating' : 'Downgrading';
+        $actionName = VersionParser::isUpgrade($this->initialPackage->getVersion(), $this->targetPackage->getVersion()) ? 'Upgrading' : 'Downgrading';
 
         return $actionName.' '.$this->initialPackage->getPrettyName().' ('.$fromVersion.' => '.$toVersion.')';
     }
diff --git a/tests/Composer/Test/Fixtures/installer/github-issues-4795-2.test b/tests/Composer/Test/Fixtures/installer/github-issues-4795-2.test
index 454215ee0..b8968c35b 100644
--- a/tests/Composer/Test/Fixtures/installer/github-issues-4795-2.test
+++ b/tests/Composer/Test/Fixtures/installer/github-issues-4795-2.test
@@ -55,13 +55,13 @@ update a/a b/b --with-dependencies
 Loading composer repositories with package information
 Updating dependencies
 Lock file operations: 0 installs, 2 updates, 0 removals
-  - Updating a/a (1.0.0 => 1.1.0)
-  - Updating b/b (1.0.0 => 1.1.0)
+  - Upgrading a/a (1.0.0 => 1.1.0)
+  - Upgrading b/b (1.0.0 => 1.1.0)
 Writing lock file
 Installing dependencies from lock file (including require-dev)
 Package operations: 0 installs, 2 updates, 0 removals
 Generating autoload files
 
 --EXPECT--
-Updating a/a (1.0.0 => 1.1.0)
-Updating b/b (1.0.0 => 1.1.0)
+Upgrading a/a (1.0.0 => 1.1.0)
+Upgrading b/b (1.0.0 => 1.1.0)
diff --git a/tests/Composer/Test/Fixtures/installer/install-from-lock-removes-package.test b/tests/Composer/Test/Fixtures/installer/install-from-lock-removes-package.test
index 7e7f0dfb5..d60cd7e94 100644
--- a/tests/Composer/Test/Fixtures/installer/install-from-lock-removes-package.test
+++ b/tests/Composer/Test/Fixtures/installer/install-from-lock-removes-package.test
@@ -41,4 +41,4 @@ Install from a lock file that deleted a package
 install
 --EXPECT--
 Uninstalling old-dependency (1.0.0)
-Updating whitelisted (1.0.0 => 1.1.0)
+Upgrading whitelisted (1.0.0 => 1.1.0)
diff --git a/tests/Composer/Test/Fixtures/installer/partial-update-forces-dev-reference-from-lock-for-non-updated-packages.test b/tests/Composer/Test/Fixtures/installer/partial-update-forces-dev-reference-from-lock-for-non-updated-packages.test
index d3da18878..f45f6d528 100644
--- a/tests/Composer/Test/Fixtures/installer/partial-update-forces-dev-reference-from-lock-for-non-updated-packages.test
+++ b/tests/Composer/Test/Fixtures/installer/partial-update-forces-dev-reference-from-lock-for-non-updated-packages.test
@@ -93,5 +93,5 @@ update b/b
     "platform-dev": []
 }
 --EXPECT--
-Updating a/a (dev-master oldmaster-a => dev-master newmaster-a)
-Updating b/b (dev-master oldmaster-b => dev-master newmaster-b2)
+Upgrading a/a (dev-master oldmaster-a => dev-master newmaster-a)
+Upgrading b/b (dev-master oldmaster-b => dev-master newmaster-b2)
diff --git a/tests/Composer/Test/Fixtures/installer/partial-update-from-lock.test b/tests/Composer/Test/Fixtures/installer/partial-update-from-lock.test
index 32018105d..bce29a21f 100644
--- a/tests/Composer/Test/Fixtures/installer/partial-update-from-lock.test
+++ b/tests/Composer/Test/Fixtures/installer/partial-update-from-lock.test
@@ -74,7 +74,7 @@ update b/unstable
     "platform-dev": []
 }
 --EXPECT--
-Updating a/old (0.9.0 => 1.0.0)
+Upgrading a/old (0.9.0 => 1.0.0)
 Downgrading b/unstable (1.1.0-alpha => 1.0.0)
 Downgrading c/uptodate (2.0.0 => 1.0.0)
 Installing d/removed (1.0.0)
diff --git a/tests/Composer/Test/Fixtures/installer/partial-update-installs-from-lock-even-missing.test b/tests/Composer/Test/Fixtures/installer/partial-update-installs-from-lock-even-missing.test
index b21905e07..7530ca862 100644
--- a/tests/Composer/Test/Fixtures/installer/partial-update-installs-from-lock-even-missing.test
+++ b/tests/Composer/Test/Fixtures/installer/partial-update-installs-from-lock-even-missing.test
@@ -97,9 +97,9 @@ update b/b
     "platform-dev": []
 }
 --EXPECT--
-Updating a/a (dev-master oldmaster-a => dev-master newmaster-a)
+Upgrading a/a (dev-master oldmaster-a => dev-master newmaster-a)
 Marking a/a (2.2.x-dev newmaster-a) as installed, alias of a/a (dev-master newmaster-a)
-Updating b/b (dev-master oldmaster-b => dev-master newmaster-b2)
+Upgrading b/b (dev-master oldmaster-b => dev-master newmaster-b2)
 Marking b/b (2.3.x-dev newmaster-b2) as installed, alias of b/b (dev-master newmaster-b2)
 Marking a/a (2.1.x-dev oldmaster-a) as uninstalled, alias of a/a (dev-master oldmaster-a)
 Marking b/b (2.1.x-dev oldmaster-b) as uninstalled, alias of b/b (dev-master oldmaster-b)
diff --git a/tests/Composer/Test/Fixtures/installer/root-requirements-do-not-affect-locked-versions.test b/tests/Composer/Test/Fixtures/installer/root-requirements-do-not-affect-locked-versions.test
index 1895992f6..202767c1f 100644
--- a/tests/Composer/Test/Fixtures/installer/root-requirements-do-not-affect-locked-versions.test
+++ b/tests/Composer/Test/Fixtures/installer/root-requirements-do-not-affect-locked-versions.test
@@ -38,4 +38,4 @@ The locked version will not get overwritten by an install
 --RUN--
 install
 --EXPECT--
-Updating foo/baz (1.0.0 => 2.0.0)
+Upgrading foo/baz (1.0.0 => 2.0.0)
diff --git a/tests/Composer/Test/Fixtures/installer/update-alias-lock.test b/tests/Composer/Test/Fixtures/installer/update-alias-lock.test
index 1018fc678..5aceda8ea 100644
--- a/tests/Composer/Test/Fixtures/installer/update-alias-lock.test
+++ b/tests/Composer/Test/Fixtures/installer/update-alias-lock.test
@@ -59,4 +59,4 @@ update
     "platform-dev": []
 }
 --EXPECT--
-Updating a/a (dev-master 1234 => dev-master master)
+Upgrading a/a (dev-master 1234 => dev-master master)
diff --git a/tests/Composer/Test/Fixtures/installer/update-alias.test b/tests/Composer/Test/Fixtures/installer/update-alias.test
index 6a7e434c8..8da3d4d23 100644
--- a/tests/Composer/Test/Fixtures/installer/update-alias.test
+++ b/tests/Composer/Test/Fixtures/installer/update-alias.test
@@ -33,5 +33,5 @@ Update aliased package to non-aliased version
 --RUN--
 update
 --EXPECT--
-Updating a/a (dev-master master => dev-foo foo)
+Upgrading a/a (dev-master master => dev-foo foo)
 Marking a/a (1.0.x-dev master) as uninstalled, alias of a/a (dev-master master)
diff --git a/tests/Composer/Test/Fixtures/installer/update-all-dry-run.test b/tests/Composer/Test/Fixtures/installer/update-all-dry-run.test
index f3484d93b..3d93d23bd 100644
--- a/tests/Composer/Test/Fixtures/installer/update-all-dry-run.test
+++ b/tests/Composer/Test/Fixtures/installer/update-all-dry-run.test
@@ -44,6 +44,6 @@ Lock file operations: 3 installs, 0 updates, 0 removals
   - Locking a/c (1.0.0)
 Installing dependencies from lock file (including require-dev)
 Package operations: 0 installs, 2 updates, 0 removals
-  - Updating a/a (1.0.0 => 1.0.1)
-  - Updating a/b (1.0.0 => 2.0.0)
+  - Upgrading a/a (1.0.0 => 1.0.1)
+  - Upgrading a/b (1.0.0 => 2.0.0)
 --EXPECT--
diff --git a/tests/Composer/Test/Fixtures/installer/update-all.test b/tests/Composer/Test/Fixtures/installer/update-all.test
index 9a5fe8e9d..893f9717c 100644
--- a/tests/Composer/Test/Fixtures/installer/update-all.test
+++ b/tests/Composer/Test/Fixtures/installer/update-all.test
@@ -36,5 +36,5 @@ Updates updateable packages
 --RUN--
 update
 --EXPECT--
-Updating a/a (1.0.0 => 1.0.1)
-Updating a/b (1.0.0 => 2.0.0)
+Upgrading a/a (1.0.0 => 1.0.1)
+Upgrading a/b (1.0.0 => 2.0.0)
diff --git a/tests/Composer/Test/Fixtures/installer/update-changes-url.test b/tests/Composer/Test/Fixtures/installer/update-changes-url.test
index e9c703f41..8f6715769 100644
--- a/tests/Composer/Test/Fixtures/installer/update-changes-url.test
+++ b/tests/Composer/Test/Fixtures/installer/update-changes-url.test
@@ -214,7 +214,7 @@ g/g is dev and installed in a different ref than the #ref, so it gets updated an
 --RUN--
 update a/a b/b d/d g/g
 --EXPECT--
-Updating a/a (dev-master 1111111 => dev-master 2222222)
-Updating b/b (2.0.3 1111111 => 2.0.3 2222222)
+Upgrading a/a (dev-master 1111111 => dev-master 2222222)
+Upgrading b/b (2.0.3 1111111 => 2.0.3 2222222)
 Installing e/e (dev-master 1111111)
-Updating g/g (dev-master 0000000 => dev-master 1111111)
+Upgrading g/g (dev-master 0000000 => dev-master 1111111)
diff --git a/tests/Composer/Test/Fixtures/installer/update-dev-ignores-providers.test b/tests/Composer/Test/Fixtures/installer/update-dev-ignores-providers.test
index a1ae85a88..68c02006d 100644
--- a/tests/Composer/Test/Fixtures/installer/update-dev-ignores-providers.test
+++ b/tests/Composer/Test/Fixtures/installer/update-dev-ignores-providers.test
@@ -35,4 +35,4 @@ Updating a dev package selects its newest version but no providers
 --RUN--
 update
 --EXPECT--
-Updating a/installed (dev-master oldref => dev-master newref)
+Upgrading a/installed (dev-master oldref => dev-master newref)
diff --git a/tests/Composer/Test/Fixtures/installer/update-dev-packages-updates-repo-url.test b/tests/Composer/Test/Fixtures/installer/update-dev-packages-updates-repo-url.test
index 7faef167c..0a918b183 100644
--- a/tests/Composer/Test/Fixtures/installer/update-dev-packages-updates-repo-url.test
+++ b/tests/Composer/Test/Fixtures/installer/update-dev-packages-updates-repo-url.test
@@ -93,4 +93,4 @@ update
     "platform-dev": []
 }
 --EXPECT--
-Updating a/a (dev-master oldmaster => dev-master newmaster)
+Upgrading a/a (dev-master oldmaster => dev-master newmaster)
diff --git a/tests/Composer/Test/Fixtures/installer/update-dev-to-new-ref-picks-up-changes.test b/tests/Composer/Test/Fixtures/installer/update-dev-to-new-ref-picks-up-changes.test
index c84385e64..12ad75586 100644
--- a/tests/Composer/Test/Fixtures/installer/update-dev-to-new-ref-picks-up-changes.test
+++ b/tests/Composer/Test/Fixtures/installer/update-dev-to-new-ref-picks-up-changes.test
@@ -38,4 +38,4 @@ Updating a dev package to its latest ref should pick up new dependencies
 update
 --EXPECT--
 Installing a/dependency (dev-master ref)
-Updating a/devpackage (dev-master oldref => dev-master newref)
+Upgrading a/devpackage (dev-master oldref => dev-master newref)
diff --git a/tests/Composer/Test/Fixtures/installer/update-ignore-platform-package-requirements.test b/tests/Composer/Test/Fixtures/installer/update-ignore-platform-package-requirements.test
index b12dae58b..30e0e6112 100644
--- a/tests/Composer/Test/Fixtures/installer/update-ignore-platform-package-requirements.test
+++ b/tests/Composer/Test/Fixtures/installer/update-ignore-platform-package-requirements.test
@@ -23,4 +23,4 @@ Update in ignore-platform-reqs mode
 --RUN--
 update --ignore-platform-reqs
 --EXPECT--
-Updating a/a (1.0.0 => 1.0.1)
+Upgrading a/a (1.0.0 => 1.0.1)
diff --git a/tests/Composer/Test/Fixtures/installer/update-installed-reference.test b/tests/Composer/Test/Fixtures/installer/update-installed-reference.test
index 7c8df0459..ae0b2d537 100644
--- a/tests/Composer/Test/Fixtures/installer/update-installed-reference.test
+++ b/tests/Composer/Test/Fixtures/installer/update-installed-reference.test
@@ -28,4 +28,4 @@ Updating a dev package forcing it's reference should not do anything if the refe
 --RUN--
 update
 --EXPECT--
-Updating a/a (dev-master def000 => dev-master )
+Upgrading a/a (dev-master def000 => dev-master )
diff --git a/tests/Composer/Test/Fixtures/installer/update-no-dev-still-resolves-dev.test b/tests/Composer/Test/Fixtures/installer/update-no-dev-still-resolves-dev.test
index 17d16df6d..f0c8282a1 100644
--- a/tests/Composer/Test/Fixtures/installer/update-no-dev-still-resolves-dev.test
+++ b/tests/Composer/Test/Fixtures/installer/update-no-dev-still-resolves-dev.test
@@ -61,8 +61,8 @@ Updates with --no-dev but we still end up with a complete lock file including de
 update --no-dev
 --EXPECT--
 Uninstalling a/b (1.0.0)
-Updating a/a (1.0.0 => 1.0.1)
+Upgrading a/a (1.0.0 => 1.0.1)
 Installing a/c (1.0.0)
-Updating dev/pkg (dev-master old => dev-master new)
+Upgrading dev/pkg (dev-master old => dev-master new)
 Marking dev/pkg (1.1.x-dev new) as installed, alias of dev/pkg (dev-master new)
 Marking dev/pkg (1.0.x-dev old) as uninstalled, alias of dev/pkg (dev-master old)
diff --git a/tests/Composer/Test/Fixtures/installer/update-picks-up-change-of-vcs-type.test b/tests/Composer/Test/Fixtures/installer/update-picks-up-change-of-vcs-type.test
index 18213d3b9..c1e746356 100644
--- a/tests/Composer/Test/Fixtures/installer/update-picks-up-change-of-vcs-type.test
+++ b/tests/Composer/Test/Fixtures/installer/update-picks-up-change-of-vcs-type.test
@@ -62,4 +62,4 @@ update mirrors
     "platform-dev": []
 }
 --EXPECT--
-Updating a/a (1.0.0 old-hg-ref => 1.0.0 new-git-ref)
+Upgrading a/a (1.0.0 old-hg-ref => 1.0.0 new-git-ref)
diff --git a/tests/Composer/Test/Fixtures/installer/update-prefer-lowest-stable.test b/tests/Composer/Test/Fixtures/installer/update-prefer-lowest-stable.test
index 8cf5918e9..58935c8d7 100644
--- a/tests/Composer/Test/Fixtures/installer/update-prefer-lowest-stable.test
+++ b/tests/Composer/Test/Fixtures/installer/update-prefer-lowest-stable.test
@@ -36,5 +36,5 @@ Updates packages to their lowest stable version
 --RUN--
 update --prefer-lowest --prefer-stable
 --EXPECT--
-Updating a/a (1.0.0-rc1 => 1.0.1)
+Upgrading a/a (1.0.0-rc1 => 1.0.1)
 Downgrading a/b (1.0.1 => 1.0.0)
diff --git a/tests/Composer/Test/Fixtures/installer/update-reference-picks-latest.test b/tests/Composer/Test/Fixtures/installer/update-reference-picks-latest.test
index 6b1f540bb..734315eb5 100644
--- a/tests/Composer/Test/Fixtures/installer/update-reference-picks-latest.test
+++ b/tests/Composer/Test/Fixtures/installer/update-reference-picks-latest.test
@@ -28,4 +28,4 @@ Updating a dev package should update to the latest available reference
 --RUN--
 update
 --EXPECT--
-Updating a/a (dev-master def000 => dev-master abc123)
+Upgrading a/a (dev-master def000 => dev-master abc123)
diff --git a/tests/Composer/Test/Fixtures/installer/update-reference.test b/tests/Composer/Test/Fixtures/installer/update-reference.test
index 01ba528fe..7836cbf5a 100644
--- a/tests/Composer/Test/Fixtures/installer/update-reference.test
+++ b/tests/Composer/Test/Fixtures/installer/update-reference.test
@@ -27,4 +27,4 @@ Updates a dev package forcing it's reference
 --RUN--
 install
 --EXPECT--
-Updating a/a (dev-master abc123 => dev-master def000)
+Upgrading a/a (dev-master abc123 => dev-master def000)
diff --git a/tests/Composer/Test/Fixtures/installer/update-whitelist-locked-require.test b/tests/Composer/Test/Fixtures/installer/update-whitelist-locked-require.test
index aaa29cd6e..3fb16d52f 100644
--- a/tests/Composer/Test/Fixtures/installer/update-whitelist-locked-require.test
+++ b/tests/Composer/Test/Fixtures/installer/update-whitelist-locked-require.test
@@ -49,5 +49,5 @@ Update with a package whitelist only updates those packages if they are not pres
 --RUN--
 update whitelisted dependency
 --EXPECT--
-Updating dependency (1.0.0 => 1.1.0)
-Updating whitelisted (1.0.0 => 1.1.0)
+Upgrading dependency (1.0.0 => 1.1.0)
+Upgrading whitelisted (1.0.0 => 1.1.0)
diff --git a/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns-with-all-dependencies.test b/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns-with-all-dependencies.test
index a76937e43..cbf350f0b 100644
--- a/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns-with-all-dependencies.test
+++ b/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns-with-all-dependencies.test
@@ -60,6 +60,6 @@ Update with a package whitelist pattern and all-dependencies flag updates packag
 --RUN--
 update whitelisted-* --with-all-dependencies
 --EXPECT--
-Updating whitelisted-component1 (1.0.0 => 1.1.0)
-Updating dependency (1.0.0 => 1.1.0)
-Updating whitelisted-component2 (1.0.0 => 1.1.0)
+Upgrading whitelisted-component1 (1.0.0 => 1.1.0)
+Upgrading dependency (1.0.0 => 1.1.0)
+Upgrading whitelisted-component2 (1.0.0 => 1.1.0)
diff --git a/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns-with-dependencies.test b/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns-with-dependencies.test
index 3cd619d22..68c1218c3 100644
--- a/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns-with-dependencies.test
+++ b/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns-with-dependencies.test
@@ -62,6 +62,6 @@ Update with a package whitelist only updates those packages and their dependenci
 --RUN--
 update whitelisted-* --with-dependencies
 --EXPECT--
-Updating whitelisted-component1 (1.0.0 => 1.1.0)
-Updating dependency (1.0.0 => 1.1.0)
-Updating whitelisted-component2 (1.0.0 => 1.1.0)
+Upgrading whitelisted-component1 (1.0.0 => 1.1.0)
+Upgrading dependency (1.0.0 => 1.1.0)
+Upgrading whitelisted-component2 (1.0.0 => 1.1.0)
diff --git a/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns-with-root-dependencies.test b/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns-with-root-dependencies.test
index c4e879df8..dab3d87e3 100644
--- a/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns-with-root-dependencies.test
+++ b/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns-with-root-dependencies.test
@@ -72,6 +72,6 @@ Update with a package whitelist only updates those packages and their dependenci
 --RUN--
 update whitelisted-* --with-dependencies
 --EXPECT--
-Updating dependency (1.0.0 => 1.1.0)
-Updating whitelisted-component2 (1.0.0 => 1.1.0)
-Updating whitelisted-component1 (1.0.0 => 1.1.0)
+Upgrading dependency (1.0.0 => 1.1.0)
+Upgrading whitelisted-component2 (1.0.0 => 1.1.0)
+Upgrading whitelisted-component1 (1.0.0 => 1.1.0)
diff --git a/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns-without-dependencies.test b/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns-without-dependencies.test
index eafec1403..337fe3a9b 100644
--- a/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns-without-dependencies.test
+++ b/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns-without-dependencies.test
@@ -57,5 +57,5 @@ Update with a package whitelist only updates those packages matching the pattern
 --RUN--
 update whitelisted-*
 --EXPECT--
-Updating whitelisted-component1 (1.0.0 => 1.1.0)
-Updating whitelisted-component2 (1.0.0 => 1.1.0)
+Upgrading whitelisted-component1 (1.0.0 => 1.1.0)
+Upgrading whitelisted-component2 (1.0.0 => 1.1.0)
diff --git a/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns.test b/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns.test
index 54da86c8e..8e4fd2034 100644
--- a/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns.test
+++ b/tests/Composer/Test/Fixtures/installer/update-whitelist-patterns.test
@@ -63,7 +63,7 @@ Update with a package whitelist only updates those corresponding to the pattern
 --RUN--
 update vendor/Test* exact/Test-Package notexact/Test all/* no/reg?xp
 --EXPECT--
-Updating all/Package1 (1.0 => 2.0)
-Updating all/Package2 (1.0 => 2.0)
-Updating exact/Test-Package (1.0 => 2.0)
-Updating vendor/Test-Package (1.0 => 2.0)
+Upgrading all/Package1 (1.0 => 2.0)
+Upgrading all/Package2 (1.0 => 2.0)
+Upgrading exact/Test-Package (1.0 => 2.0)
+Upgrading vendor/Test-Package (1.0 => 2.0)
diff --git a/tests/Composer/Test/Fixtures/installer/update-whitelist-reads-lock.test b/tests/Composer/Test/Fixtures/installer/update-whitelist-reads-lock.test
index 1c2a68a10..ef7ca56c0 100644
--- a/tests/Composer/Test/Fixtures/installer/update-whitelist-reads-lock.test
+++ b/tests/Composer/Test/Fixtures/installer/update-whitelist-reads-lock.test
@@ -43,6 +43,6 @@ Limited update takes rules from lock if available, and not from the installed re
 --RUN--
 update toupdate/installed
 --EXPECT--
-Updating old/installed (0.9.0 => 1.0.0)
-Updating toupdate/installed (1.0.0 => 1.1.0)
+Upgrading old/installed (0.9.0 => 1.0.0)
+Upgrading toupdate/installed (1.0.0 => 1.1.0)
 Installing toupdate/notinstalled (1.0.0)
diff --git a/tests/Composer/Test/Fixtures/installer/update-whitelist-removes-unused.test b/tests/Composer/Test/Fixtures/installer/update-whitelist-removes-unused.test
index 93829c808..7b720e3ca 100644
--- a/tests/Composer/Test/Fixtures/installer/update-whitelist-removes-unused.test
+++ b/tests/Composer/Test/Fixtures/installer/update-whitelist-removes-unused.test
@@ -45,4 +45,4 @@ Update with a package whitelist removes unused packages
 update --with-dependencies whitelisted
 --EXPECT--
 Uninstalling old-dependency (1.0.0)
-Updating whitelisted (1.0.0 => 1.1.0)
+Upgrading whitelisted (1.0.0 => 1.1.0)
diff --git a/tests/Composer/Test/Fixtures/installer/update-whitelist-with-dependencies.test b/tests/Composer/Test/Fixtures/installer/update-whitelist-with-dependencies.test
index 2db3b6ead..02e772337 100644
--- a/tests/Composer/Test/Fixtures/installer/update-whitelist-with-dependencies.test
+++ b/tests/Composer/Test/Fixtures/installer/update-whitelist-with-dependencies.test
@@ -52,5 +52,5 @@ Update with a package whitelist only updates those packages and their dependenci
 --RUN--
 update whitelisted --with-dependencies
 --EXPECT--
-Updating dependency (1.0.0 => 1.1.0)
-Updating whitelisted (1.0.0 => 1.1.0)
+Upgrading dependency (1.0.0 => 1.1.0)
+Upgrading whitelisted (1.0.0 => 1.1.0)
diff --git a/tests/Composer/Test/Fixtures/installer/update-whitelist.test b/tests/Composer/Test/Fixtures/installer/update-whitelist.test
index 4dfb95a93..826f9fce1 100644
--- a/tests/Composer/Test/Fixtures/installer/update-whitelist.test
+++ b/tests/Composer/Test/Fixtures/installer/update-whitelist.test
@@ -54,4 +54,4 @@ Update with a package whitelist only updates those packages listed as command ar
 --RUN--
 update whitelisted
 --EXPECT--
-Updating whitelisted (1.0.0 => 1.1.0)
+Upgrading whitelisted (1.0.0 => 1.1.0)
diff --git a/tests/Composer/Test/Fixtures/installer/update-with-all-dependencies.test b/tests/Composer/Test/Fixtures/installer/update-with-all-dependencies.test
index f761abe38..a950b247a 100644
--- a/tests/Composer/Test/Fixtures/installer/update-with-all-dependencies.test
+++ b/tests/Composer/Test/Fixtures/installer/update-with-all-dependencies.test
@@ -50,13 +50,13 @@ update b/b --with-all-dependencies
 Loading composer repositories with package information
 Updating dependencies
 Lock file operations: 0 installs, 2 updates, 0 removals
-  - Updating a/a (1.0.0 => 1.1.0)
-  - Updating b/b (1.0.0 => 1.1.0)
+  - Upgrading a/a (1.0.0 => 1.1.0)
+  - Upgrading b/b (1.0.0 => 1.1.0)
 Writing lock file
 Installing dependencies from lock file (including require-dev)
 Package operations: 0 installs, 2 updates, 0 removals
 Generating autoload files
 
 --EXPECT--
-Updating a/a (1.0.0 => 1.1.0)
-Updating b/b (1.0.0 => 1.1.0)
+Upgrading a/a (1.0.0 => 1.1.0)
+Upgrading b/b (1.0.0 => 1.1.0)
diff --git a/tests/Composer/Test/Fixtures/installer/updating-dev-from-lock-removes-old-deps.test b/tests/Composer/Test/Fixtures/installer/updating-dev-from-lock-removes-old-deps.test
index e9f6d825a..5d2fc64c8 100644
--- a/tests/Composer/Test/Fixtures/installer/updating-dev-from-lock-removes-old-deps.test
+++ b/tests/Composer/Test/Fixtures/installer/updating-dev-from-lock-removes-old-deps.test
@@ -42,4 +42,4 @@ Installing locked dev packages should remove old dependencies
 install
 --EXPECT--
 Uninstalling a/dependency (dev-master ref)
-Updating a/devpackage (dev-master oldref => dev-master newref)
+Upgrading a/devpackage (dev-master oldref => dev-master newref)
diff --git a/tests/Composer/Test/Fixtures/installer/updating-dev-updates-url-and-reference.test b/tests/Composer/Test/Fixtures/installer/updating-dev-updates-url-and-reference.test
index f3aa1816e..c84ab3525 100644
--- a/tests/Composer/Test/Fixtures/installer/updating-dev-updates-url-and-reference.test
+++ b/tests/Composer/Test/Fixtures/installer/updating-dev-updates-url-and-reference.test
@@ -65,4 +65,4 @@ update
     "platform-dev": []
 }
 --EXPECT--
-Updating a/a (dev-master oldref => dev-master newref)
+Upgrading a/a (dev-master oldref => dev-master newref)