diff --git a/README.md b/README.md
index a4b6e365..367d99a8 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,8 @@ Documentation:
 - `m` holds a modifier while executing the second parameter
 - `.` executes two actions behind each other
 
+Syntax errors are logged to the console.
+
 ##### Names
 
 For a list of supported keystrokes and their names for the middle column,
@@ -122,4 +124,5 @@ sudo pip install . && coverage run tests/test.py
 coverage combine && coverage report -m
 ```
 
-To read events, `evtest` is very helpful.
+To read events, `evtest` is very helpful. Add `-d` to `key-mapper-gtk`
+to get debug outbut.