1 files changed, 1 insertions, 1 deletions
diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index b6d3f5b26..98ab116dd 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -415,7 +415,7 @@ em {
 .muted {
   color: #999999;
 }
-abbr {
+abbr[title] {
   border-bottom: 1px dotted #ddd;
   cursor: help;
 }