diff --git a/doc/03-cli.md b/doc/03-cli.md
index 53c6ced5a..c59045cb1 100644
--- a/doc/03-cli.md
+++ b/doc/03-cli.md
@@ -953,8 +953,8 @@ php composer.phar archive vendor/package 2.0.21 --format=zip
 
 ### Options
 
-* **--format (-f):** Format of the resulting archive: tar, tar.gz or zip
-  (default: "tar")
+* **--format (-f):** Format of the resulting archive: tar, tar.gz, tar.bz2
+  or zip (default: "tar").
 * **--dir:** Write the archive to this directory (default: ".")
 * **--file:** Write the archive with the given file name.
 
diff --git a/src/Composer/Command/ArchiveCommand.php b/src/Composer/Command/ArchiveCommand.php
index c30c2364d..acf72c548 100644
--- a/src/Composer/Command/ArchiveCommand.php
+++ b/src/Composer/Command/ArchiveCommand.php
@@ -49,7 +49,7 @@ class ArchiveCommand extends BaseCommand
             ->setDefinition(array(
                 new InputArgument('package', InputArgument::OPTIONAL, 'The package to archive instead of the current project'),
                 new InputArgument('version', InputArgument::OPTIONAL, 'A version constraint to find the package to archive'),
-                new InputOption('format', 'f', InputOption::VALUE_REQUIRED, 'Format of the resulting archive: tar or zip'),
+                new InputOption('format', 'f', InputOption::VALUE_REQUIRED, 'Format of the resulting archive: tar, tar.gz, tar.bz2 or zip (default tar)'),
                 new InputOption('dir', null, InputOption::VALUE_REQUIRED, 'Write the archive to this directory'),
                 new InputOption('file', null, InputOption::VALUE_REQUIRED, 'Write the archive with the given file name.'
                     .' Note that the format will be appended.'),