diff --git a/res/composer-schema.json b/res/composer-schema.json
index 8aa401580..64e90a7b0 100644
--- a/res/composer-schema.json
+++ b/res/composer-schema.json
@@ -351,7 +351,7 @@
                 },
                 "classmap": {
                     "type": "array",
-                    "description": "This is an array of directories that contain classes to be included in the class-map generation process."
+                    "description": "This is an array of paths that contain classes to be included in the class-map generation process."
                 },
                 "files": {
                     "type": "array",
@@ -638,7 +638,7 @@
                 },
                 "classmap": {
                     "type": "array",
-                    "description": "This is an array of directories that contain classes to be included in the class-map generation process."
+                    "description": "This is an array of paths that contain classes to be included in the class-map generation process."
                 },
                 "files": {
                     "type": "array",
diff --git a/src/Composer/Downloader/ZipDownloader.php b/src/Composer/Downloader/ZipDownloader.php
index 83b904a8a..8376929e4 100644
--- a/src/Composer/Downloader/ZipDownloader.php
+++ b/src/Composer/Downloader/ZipDownloader.php
@@ -220,6 +220,9 @@ class ZipDownloader extends ArchiveDownloader
      *
      * @param string $file File to extract
      * @param string $path Path where to extract file
+     *
+     * TODO v3 should make this private once we can drop PHP 5.3 support
+     * @protected
      */
     public function extract(PackageInterface $package, $file, $path)
     {