diff --git a/lib/shoulda/matchers/active_model/validate_exclusion_of_matcher.rb b/lib/shoulda/matchers/active_model/validate_exclusion_of_matcher.rb
index 2d3918d5..77db9835 100644
--- a/lib/shoulda/matchers/active_model/validate_exclusion_of_matcher.rb
+++ b/lib/shoulda/matchers/active_model/validate_exclusion_of_matcher.rb
@@ -29,7 +29,7 @@ module Shoulda
       #         in_array(['Mac', 'Linux'])
       #     end
       #
-      # If your blacklist is a range of values, use `in_rnage`:
+      # If your blacklist is a range of values, use `in_range`:
       #
       #     class Game
       #       include ActiveModel::Model