diff --git a/installation/language/cy-GB/joomla.ini b/installation/language/cy-GB/joomla.ini
index 9195313a0059c..d5798eec6b091 100644
--- a/installation/language/cy-GB/joomla.ini
+++ b/installation/language/cy-GB/joomla.ini
@@ -189,7 +189,7 @@ INSTL_PHP_VERSION_NEWER="Fersiwn PHP > = %s"
 INSTL_PROCESS_BUSY="Proses yn mynd rhagddi. Arhoswch os gwelwch yn dda..."
 INSTL_SESSION_AUTO_START="Awto Ddechrau'r Sesiwn"
 INSTL_WRITABLE="Hawliau annigonol i greu %s."
-INSTL_ZIP_SUPPORT_AVAILABLE="Cefnogaeth ZIP Brodorol"
+INSTL_ZIP_SUPPORT_AVAILABLE="Cefnogaeth ZIP cynhenid"
 ; Global strings
 JADMINISTRATOR="Gwefan Weinyddol"
 JEMAIL="E-bost"