diff --git a/lib/rubocop/cop/rspec/example_wording.rb b/lib/rubocop/cop/rspec/example_wording.rb
index 1b7ff2e03..65b2d1918 100644
--- a/lib/rubocop/cop/rspec/example_wording.rb
+++ b/lib/rubocop/cop/rspec/example_wording.rb
@@ -56,7 +56,7 @@ class ExampleWording < Base
                                        'insufficient.'
 
         SHOULD_PREFIX = /\Ashould(?:n't)?\b/i.freeze
-        WILL_PREFIX   = /\Aw(?:ill|on't)\b/i.freeze
+        WILL_PREFIX   = /\A(?:will|won't)\b/i.freeze
         IT_PREFIX     = /\Ait /i.freeze
 
         # @!method it_description(node)