diff --git a/src/lang/unfinished/ido.txt b/src/lang/unfinished/ido.txt
--- a/src/lang/unfinished/ido.txt
+++ b/src/lang/unfinished/ido.txt
@@ -1232,6 +1232,8 @@ STR_ERROR_TOO_MANY_VEHICLES_IN_GAME     
 
 # Translatable comment for OpenTTD's desktop shortcut
 
+# Translatable descriptions in media/baseset/*.ob* files
+
 ##id 0x2000
 # Town building names