Fix indent in pagination documentation. Closes #4990. [Kevin Clark]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4476 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/lib/action_controller/pagination.rb

@@ -104,8 +104,7 @@ def self.validate_options!(collection_id, options, in_action) #:nodoc:
     # ClassMethods#paginate.
     #
     # +options+ are:
-    # <tt>:singular_name</tt>:: the singular name to use, if it can't be inferred by
-    #                        singularizing the collection name
+    # <tt>:singular_name</tt>:: the singular name to use, if it can't be inferred by singularizing the collection name
     # <tt>:class_name</tt>:: the class name to use, if it can't be inferred by
     #                        camelizing the singular name
     # <tt>:per_page</tt>::   the maximum number of items to include in a