diff --git a/po/en_GB.po b/po/en_GB.po
index 59b192ee80..ce74bbfa85 100644
--- a/po/en_GB.po
+++ b/po/en_GB.po
@@ -3450,7 +3450,7 @@ msgid ""
 "Disable the table maintenance mass operations, like optimizing or repairing "
 "the selected tables of a database."
 msgstr ""
-"Disable the table maintenance mass operations, like optimizing or repairing "
+"Disable the table maintenance mass operations, like optimising or repairing "
 "the selected tables of a database."
 
 #: libraries/config/messages.inc.php:63