diff --git a/Docs/KnownIssues.txt b/Docs/KnownIssues.txt
index 5f09766da5..2330d7fecc 100644
--- a/Docs/KnownIssues.txt
+++ b/Docs/KnownIssues.txt
@@ -2,6 +2,8 @@ The following is a list of known issues with StepMania 5.
 
 * Hidden, Sudden, Stealth, and RandomVanish do not work with layered
   note skins. Random Vanish, in particular, has caused crashes.
+** In a more technical and general sense, diffuse commands do not
+   work properly with ActorFrames.
 * The course editor is not working completely.
 * The scoring system needs to be made global for the game instead
   of tying it to the theme. Right now, this is causing a number