diff --git a/extras/conf/SRB2-22.cfg b/extras/conf/SRB2-22.cfg
index 1c1d118097619557468a270ec5c68a6a96f82b48..11206e75a38b47fb360f7ee313e1f4b64bf366ae 100644
--- a/extras/conf/SRB2-22.cfg
+++ b/extras/conf/SRB2-22.cfg
@@ -760,6 +760,7 @@ linedeftypes
 		{
 			title = "Parameters";
 			prefix = "(22)";
+			flags8text = "[3] Set translucency by X offset";
 			flags32text = "[5] Render outer sides only";
 			flags64text = "[6] Trigger linedef executor";
 			flags128text = "[7] Intangible";