diff --git a/Build/Configurations/Includes/Eternity_misc.cfg b/Build/Configurations/Includes/Eternity_misc.cfg
index b62355e2..c58d7448 100755
--- a/Build/Configurations/Includes/Eternity_misc.cfg
+++ b/Build/Configurations/Includes/Eternity_misc.cfg
@@ -511,10 +511,11 @@ linedefactivations_udmf
 	monsteruse = "When monster presses use";
 	monstercross = "When monster walks over";
 	monsterpush = "When monsters bumps";
+	monstershoot = "On monster hitscan impact";
 //	anycross = "Any crossing non-missile activates";
 	missilecross = "When projectile crosses";
     polycross = "When polyobject moves over";
-	impact = "On projectile impact";
+	impact = "On player hitscan impact";
 //	checkswitchrange = "Switch height check";
 	passuse
 	{
diff --git a/Build/Configurations/Includes/ZDoom_misc.cfg b/Build/Configurations/Includes/ZDoom_misc.cfg
index 9c6a7e52..108d78a8 100755
--- a/Build/Configurations/Includes/ZDoom_misc.cfg
+++ b/Build/Configurations/Includes/ZDoom_misc.cfg
@@ -70,7 +70,7 @@ linedefactivations_udmf
 	monsterpush = "When monsters bumps";
 	anycross = "Any crossing non-missile activates";
 	missilecross = "When projectile crosses";
-	impact = "On projectile impact";
+	impact = "On player hitscan/projectile impact";
 	checkswitchrange
 	{
 		name = "Switch height check";