1 files changed, 5 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/core_ext/object/to_param.rb b/activesupport/lib/active_support/core_ext/object/to_param.rb
index e5f81078ee..0d5f3501e5 100644
--- a/activesupport/lib/active_support/core_ext/object/to_param.rb
+++ b/activesupport/lib/active_support/core_ext/object/to_param.rb
@@ -6,18 +6,21 @@ class Object
 end
 
 class NilClass
+  # Returns +self+.
   def to_param
     self
   end
 end
 
 class TrueClass
+  # Returns +self+.
   def to_param
     self
   end
 end
 
 class FalseClass
+  # Returns +self+.
   def to_param
     self
   end
@@ -35,12 +38,12 @@ class Hash
   # Returns a string representation of the receiver suitable for use as a URL
   # query string:
   #
-  #   {:name => 'David', :nationality => 'Danish'}.to_param
+  #   {name: 'David', nationality: 'Danish'}.to_param
   #   # => "name=David&nationality=Danish"
   #
   # An optional namespace can be passed to enclose the param names:
   #
-  #   {:name => 'David', :nationality => 'Danish'}.to_param('user')
+  #   {name: 'David', nationality: 'Danish'}.to_param('user')
   #   # => "user[name]=David&user[nationality]=Danish"
   #
   # The string pairs "key=value" that conform the query string