diff --git a/ml_amt/README.md b/ml_amt/README.md
index 9603746..6da4be3 100644
--- a/ml_amt/README.md
+++ b/ml_amt/README.md
@@ -36,3 +36,4 @@ Available additional parameters for AAS animator:
   
 # Notes
 * Sometimes after restoring legs autostep avatar's torso shakes, currently investigating solution.
+* Usage of `Upright` parameter for transition between poses (standing/crouching/proning) in desktop mode is useless, because in this case your animations are updating value of `Upright` parameter, not the other way around.