diff --git a/i18n/cy.json b/i18n/cy.json
index 357b9d3d3..fc84719db 100644
--- a/i18n/cy.json
+++ b/i18n/cy.json
@@ -10,7 +10,9 @@
 	"popups-settings-save": "Cadw",
 	"popups-settings-help-ok": "Iawn",
 	"popups-settings-cancel": "Canslo",
+	"popups-settings-enable": "Golygu gosodiadau rhagolwg",
 	"popups-preview-footer-read": "Ewch i'r dudalen hon",
+	"popups-preview-disambiguation-link": "Gweld tudalennau tebyg",
 	"popups-refpreview-reference": "Cyfeiriadau",
 	"popups-refpreview-book": "Cyfeiriad llyfr",
 	"popups-refpreview-journal": "Cyfeiriad cyfnodolyn",