diff --git a/activesupport/lib/active_support/time_with_zone.rb b/activesupport/lib/active_support/time_with_zone.rb
index 8ddf233b3e..c28de4e21c 100644
--- a/activesupport/lib/active_support/time_with_zone.rb
+++ b/activesupport/lib/active_support/time_with_zone.rb
@@ -252,7 +252,7 @@ module ActiveSupport
       utc.hash
     end
 
-    # Adds an interval of time to the current object's time and return that
+    # Adds an interval of time to the current object's time and returns that
     # value as a new TimeWithZone object.
     #
     #   Time.zone = 'Eastern Time (US & Canada)' # => 'Eastern Time (US & Canada)'