diff --git a/README.md b/README.md
index c434d9d..1b79c0a 100644
--- a/README.md
+++ b/README.md
@@ -47,5 +47,6 @@ guile -L . yammer.scm
 * Offload some calculations to the GPU
 
 # Known issues
+* Sometimes the read gets misaligned and just becomes noise
 * When MPD is paused or the program is sleeping for the next frame, the UI doesn't update so you can't exit
 * The surface can't be transparent