diff --git a/Known-issues.md b/Known-issues.md
index a306ea7..e7b3056 100644
--- a/Known-issues.md
+++ b/Known-issues.md
@@ -287,6 +287,7 @@ See [this page](https://github.com/spice2x/spice2x.github.io/wiki/Touch-screens)
 
 ### T44
 * In `2020020180` data, markers are invisible. Enter the hamburger menu and exit to fix this (bottom left button in song select). Seems to be a bug in the game.
+* Touch debug overlay is not implemented.
 
 ## Pop'n Music
  * pop'n 19 Tune Street; when HD mode is enabled, it may crash on title screen with `CommReadMyAddr` / `CommPolling` on the stack. This is caused by dirty / incomplete data that is widely distributed.