diff --git a/src/insets/Inset.cpp b/src/insets/Inset.cpp
index 3fae5bdb18..da9e778376 100644
--- a/src/insets/Inset.cpp
+++ b/src/insets/Inset.cpp
@@ -60,6 +60,11 @@ public:
 static InsetName insetnames[INSET_CODE_SIZE];
 
 
+// This list should be kept in sync with the list of dialogs in
+// src/frontends/qt4/GuiView.cpp, I.e., if a dialog goes with an
+// inset, the dialog should have the same name as the inset.
+// Changes should be also recorded in LFUN_DIALOG_SHOW doxygen
+// docs in LyXAction.cpp.
 static void build_translator()
 {
 	static bool passed = false;