vendor/toolkit/twitter/bootstrap/popovers.less in twitter-bootstrap-rails-2.1.4 vs vendor/toolkit/twitter/bootstrap/popovers.less in twitter-bootstrap-rails-2.1.5

@@ -19,13 +19,13 @@
   border: 1px solid rgba(0,0,0,.2);
   .border-radius(6px);
   .box-shadow(0 5px 10px rgba(0,0,0,.2));
 
   // Offset the popover to account for the popover arrow
-  &.top     { margin-bottom: 10px; }
+  &.top     { margin-top: -10px; }
   &.right   { margin-left: 10px; }
   &.bottom  { margin-top: 10px; }
-  &.left    { margin-right: 10px; }
+  &.left    { margin-left: -10px; }
 
 }
 
 .popover-title {
   margin: 0; // reset heading margin