remove unnecessary `/` in reference url

diff --git a/scss/mixins/_screen-reader.scss b/scss/mixins/_screen-reader.scss
index e52b282a90107af2ac0a79721688a3cc72d84d2b..6ae65516aa271dcef868cea223a407289876c579 100644 (file)
--- a/scss/mixins/_screen-reader.scss
+++ b/scss/mixins/_screen-reader.scss
@@ -1,6 +1,6 @@
 // Only display content to screen readers
 //
-// See: http://a11yproject.com/posts/how-to-hide-content/
+// See: http://a11yproject.com/posts/how-to-hide-content
 
 @mixin sr-only {
   position: absolute;