diff --git a/theme/base/style/core.css b/theme/base/style/core.css
index 256cb0c4a08..c746ff33b8a 100644
--- a/theme/base/style/core.css
+++ b/theme/base/style/core.css
@@ -69,7 +69,7 @@ a.dimmed_text:visited,
 .notifysuccess {color:#006600;}
 .reportlink {text-align:right;}
 a.autolink.glossary:hover {cursor: help;}
-/* Block which is hidden if javascript enabled, prevents fickering visible when JS from footer used! */
+/* Block which is hidden if javascript enabled, prevents flickering visible, when JS from footer used! */
 .collapsibleregioncaption {white-space: nowrap;}
 .collapsibleregioncaption img {vertical-align: middle;}
 .jsenabled .hiddenifjs {display: none;}