diff --git a/app/src/main/res/values-cy/strings.xml b/app/src/main/res/values-cy/strings.xml
index f55d88466..5c3e35983 100644
--- a/app/src/main/res/values-cy/strings.xml
+++ b/app/src/main/res/values-cy/strings.xml
@@ -853,6 +853,7 @@
     <string name="action_bbcode">BBCode</string>
     <string name="add_timeline">Add a timeline</string>
     <string name="set_sensitive_content">Always mark media as sensitive</string>
+    <string name="gnu_instance">GNU instance</string>
     <plurals name="number_of_vote">
         <item quantity="zero">%d votes</item>
         <item quantity="one">%d vote</item>