diff --git a/extra/webapps/wiki/wiki.css b/extra/webapps/wiki/wiki.css
index c27c44315f..4ecc6e5282 100644
--- a/extra/webapps/wiki/wiki.css
+++ b/extra/webapps/wiki/wiki.css
@@ -41,7 +41,7 @@
 .contents {
     padding: 4px;
     margin: 4px;
-    border: 1px dashed grey;
+    border: 1px dashed gray;
     background: #f5f1fd;
     width: 200px;
 }