diff --git a/CHANGELOG.md b/CHANGELOG.md
index 21035496..896cefa1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## 1.7.5 - 2024-09
 
+- (Dan) Updates Welsh translation to the official Welsh translation [GH-435](https://github.com/epimorphics/ukhpi/issues/435)
 - (Jon) Moved all mirrored configuration settings from individual environments
   into the application configuration to reduce the need to manage multiple
   sources of truth
diff --git a/config/locales/cy.yml b/config/locales/cy.yml
index 08d758a1..0f017b10 100644
--- a/config/locales/cy.yml
+++ b/config/locales/cy.yml
@@ -178,7 +178,7 @@ cy:
       print_table: "argraffu’r tabl hwn"
       download_data_as: "Lawrlwytho’r data hwn fel:"
       choose_another_location: "Dewiswch leoliad arall"
-      accessibility_tabpanel: "Mae gan y bwrdd strwythur anarferol. Defnyddiwch yr ail dab yn y tablydd o'r enw 'Gweler tabl data' am ddata sydd mewn fformat hygyrch."
+      accessibility_tabpanel: "Mae gan y tabl strwythur anarferol. Defnyddiwch yr ail dab yn y rhestr o dabiau o’r enw ‘Gweler y tabl data’ am ddata sydd mewn fformat hygyrch."
 
     graph:
       no_data: "Mae’n flin gennym, nid yw data %{label} ar gael ar gyfer %{location}. Dewiswch leoliad gwahanol."