1 files changed, 1 insertions, 0 deletions
diff --git a/README.md b/README.md
index 0f197ce..1b58b91 100644
--- a/README.md
+++ b/README.md
@@ -64,6 +64,7 @@ In the browser `require` and `package.loadlib` try to find a file by making sync
     - `os.rename`
     - `os.tmpname`
     - `os.execute`
+- `debug.debug()` doesn't work from web workers due to lack of a method to get synchronous user input
 - [Weak tables](http://www.lua.org/manual/5.3/manual.html#2.5.2)