diff --git a/docs/assets/bootstrap.zip b/docs/assets/bootstrap.zip
index 82fff316..a52a2ffe 100644
Binary files a/docs/assets/bootstrap.zip and b/docs/assets/bootstrap.zip differ
diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index 98ab116d..a0f9b083 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -419,6 +419,10 @@ abbr[title] {
   border-bottom: 1px dotted #ddd;
   cursor: help;
 }
+abbr.initialism {
+  font-size: 90%;
+  text-transform: uppercase;
+}
 blockquote {
   padding: 0 0 0 15px;
   margin: 0 0 18px;
diff --git a/less/type.less b/less/type.less
index b68bddbb..bbe15f6c 100644
--- a/less/type.less
+++ b/less/type.less
@@ -158,6 +158,10 @@ abbr[title] {
   border-bottom: 1px dotted #ddd;
   cursor: help;
 }
+abbr.initialism {
+  font-size: 90%;
+  text-transform: uppercase;
+}
 
 // Blockquotes
 blockquote {