diff --git a/less/forum/Slidable.less b/less/forum/Slidable.less
index ebe3b6991..132fba4cf 100644
--- a/less/forum/Slidable.less
+++ b/less/forum/Slidable.less
@@ -33,7 +33,7 @@
         font-size: 20px;
       }
     }
-    .Slideable-underneath--left {
+    .Slidable-underneath--left {
       text-align: left;
     }
     .Slidable-content {