diff --git a/lib/shoulda/matchers/active_model/validate_length_of_matcher.rb b/lib/shoulda/matchers/active_model/validate_length_of_matcher.rb
index 84480743..7dcfb40c 100644
--- a/lib/shoulda/matchers/active_model/validate_length_of_matcher.rb
+++ b/lib/shoulda/matchers/active_model/validate_length_of_matcher.rb
@@ -239,7 +239,7 @@ module Shoulda
       #
       # @return [ValidateLengthOfMatcher]
       #
-      # # ##### allow_blank
+      # ##### allow_blank
       #
       # Use `allow_blank` to assert that the attribute allows blank.
       #