diff --git a/scss/_custom-forms.scss b/scss/_custom-forms.scss
index 2326e01ca0..bc36013e9d 100644
--- a/scss/_custom-forms.scss
+++ b/scss/_custom-forms.scss
@@ -26,6 +26,7 @@
     }
 
     &:focus ~ .c-indicator {
+      // the mixin is not used here to make sure there is feedback
       box-shadow: 0 0 0 .075rem #fff, 0 0 0 .2rem #0074d9;
     }