diff --git a/ftl/core/undo.ftl b/ftl/core/undo.ftl
index c438a2679..4a42fed14 100644
--- a/ftl/core/undo.ftl
+++ b/ftl/core/undo.ftl
@@ -1,3 +1,6 @@
+### The strings in this file are currently in development,
+### and you may want to skip translating them for now.
+
 undo-undo = Undo
 undo-redo = Redo
 # eg "Undo Answer Card"