diff --git a/src/strings/cy.json b/src/strings/cy.json
index cb7076d59a..e65fd171fb 100644
--- a/src/strings/cy.json
+++ b/src/strings/cy.json
@@ -438,7 +438,7 @@
     "DateAdded": "Dyddiad ychwanegu",
     "DashboardVersionNumber": "Fersiwn: {0}",
     "DashboardServerName": "Gweinydd: {0}",
-    "DashboardArchitecture": "Pensaernïaeth: {0}",
+    "DashboardArchitecture": "Adeiledd: {0}",
     "CriticRating": "Sgôr beirniaid",
     "ContinueWatching": "Parhau i wylio",
     "ConfirmDeletion": "Cadarnhau Dileu",
@@ -510,7 +510,7 @@
     "ButtonResetEasyPassword": "Ailosod cod PIN Rhwydd",
     "ButtonRefreshGuideData": "Adnewyddu Data Canllaw",
     "ButtonQuickStartGuide": "Canllaw Cychwyn Cyflym",
-    "HeaderMyMedia": "Fy Cyfryngau",
+    "HeaderMyMedia": "Fy Nghyfryngau",
     "LabelForgotPasswordUsernameHelp": "Mewnbynnwch eich enw defnyddiwr, os ydych chi'n ei gofio.",
     "RememberMe": "Cofiwch Fi",
     "LabelNewPassword": "Cyfrinair newydd:",