Fix PackageInterface parameter comments (#11777)

src/Composer/Downloader/DvcsDownloaderInterface.php

@@ -24,7 +24,7 @@ interface DvcsDownloaderInterface
     /**
      * Checks for unpushed changes to a current branch
      *
-     * @param  PackageInterface $package package directory
+     * @param  PackageInterface $package package instance
      * @param  string           $path    package directory
      * @return string|null      changes or null
      */

src/Composer/Downloader/FileDownloader.php

@@ -458,7 +458,7 @@ class FileDownloader implements DownloaderInterface, ChangeReportInterface
     /**
      * Process the download url
      *
-     * @param  PackageInterface  $package package the url is coming from
+     * @param  PackageInterface  $package package instance
      * @param  non-empty-string  $url     download url
      * @throws \RuntimeException If any problem with the url
      * @return non-empty-string  url

src/Composer/Downloader/VcsCapableDownloaderInterface.php

@@ -24,7 +24,7 @@ interface VcsCapableDownloaderInterface
     /**
      * Gets the VCS Reference for the package at path
      *
-     * @param  PackageInterface $package package directory
+     * @param  PackageInterface $package package instance
      * @param  string           $path    package directory
      * @return string|null      reference or null
      */