diff --git a/README.md b/README.md
index 7e84511..12b41b9 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,8 @@ DE doesn't have such feature (XFCE as an example).
 ## Requirements
 
 * wmctrl
+* awk
+* grep
 
 ## Usage