Tweak package name to make it more distinct.

Bundled ‘Rails’ snippet could be confused with this.

repositories.json

@@ -1028,7 +1028,7 @@
 		"sublime-pman": "Pman",
 		"Sublime-Pomodoro": "Pomodoro",
 		"Sublime-PowerPaste": "PowerPaste",
-		"sublime-rails-snippets": "Ruby on Rails",
+		"sublime-rails-snippets": "Ruby on Rails snippets",
 		"sublime-rainmeter": "Rainmeter",
 		"sublime-recess": "Twitter Recess",
 		"sublime-require-helper": "Require Helper",