diff --git a/src/p_setup.c b/src/p_setup.c
index 55f0b4f3e..839e583c8 100644
--- a/src/p_setup.c
+++ b/src/p_setup.c
@@ -1520,6 +1520,8 @@ static void P_LoadTextmap (void)
 	side_t     *sd;
 	mapthing_t *mt;
 
+	CONS_Alert(CONS_NOTICE, "UDMF support is still a work-in-progress; its specs and features are prone to change until it is fully implemented.\n");
+
 	/// Given the UDMF specs, some fields are given a default value.
 	/// If an element's field has a default value set, it is ommited
 	/// from the textmap, and therefore we have to account for it by