fix typo in documentation

actionpack/lib/action_dispatch/routing/url_for.rb

@@ -102,7 +102,7 @@ def initialize(*)
         super
       end
 
-      # Hook overriden in controller to add request information
+      # Hook overridden in controller to add request information
       # with `default_url_options`. Application logic should not
       # go into url_options.
       def url_options

activesupport/lib/active_support/callbacks.rb

@@ -78,7 +78,7 @@ def run_callbacks(kind, &block)
     private
 
     # A hook invoked everytime a before callback is halted.
-    # This can be overriden in AS::Callback implementors in order
+    # This can be overridden in AS::Callback implementors in order
     # to provide better debugging/logging.
     def halted_callback_hook(filter)
     end