diff --git a/docs/assets/css/bootstrap.css b/docs/assets/css/bootstrap.css
index 2377695219..f74f5fb02f 100644
--- a/docs/assets/css/bootstrap.css
+++ b/docs/assets/css/bootstrap.css
@@ -3599,7 +3599,7 @@ button.close {
   position: absolute;
   z-index: 1030;
   display: block;
-  font-size: 11px;
+  font-size: 12px;
   line-height: 1.4;
   opacity: 0;
   filter: alpha(opacity=0);
diff --git a/less/tooltip.less b/less/tooltip.less
index 790eb1cd3e..fef430900a 100644
--- a/less/tooltip.less
+++ b/less/tooltip.less
@@ -9,7 +9,7 @@
   z-index: @zindex-tooltip;
   display: block;
   visibility: visible;
-  font-size: @font-size-mini;
+  font-size: @font-size-small;
   line-height: 1.4;
   .opacity(0);