[FrameworkBundle] harmonized commands descriptions.

src/Symfony/Bundle/FrameworkBundle/Command/AssetsInstallCommand.php

@@ -35,7 +35,7 @@ class AssetsInstallCommand extends ContainerAwareCommand
                 new InputArgument('target', InputArgument::REQUIRED, 'The target directory (usually "web")'),
             ))
             ->addOption('symlink', null, InputOption::VALUE_NONE, 'Symlinks the assets instead of copying it')
-            ->setDescription('Install bundles web assets under a public web directory')
+            ->setDescription('Installs bundles web assets under a public web directory')
             ->setHelp(<<<EOT
 The <info>assets:install</info> command installs bundle assets into a given
 directory (e.g. the web directory).

src/Symfony/Bundle/FrameworkBundle/Command/CacheClearCommand.php

@@ -37,7 +37,7 @@ class CacheClearCommand extends ContainerAwareCommand
             ->setDefinition(array(
                 new InputOption('no-warmup', '', InputOption::VALUE_NONE, 'Do not warm up the cache'),
             ))
-            ->setDescription('Clear the cache')
+            ->setDescription('Clears the cache')
             ->setHelp(<<<EOF
 The <info>cache:clear</info> command clears the application cache for a given environment
 and debug mode: