diff --git a/README.md b/README.md
index 5564946..88ce275 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,6 @@
 # Shell-Oneliner
 
+Based on https://github.com/onceupon/Bash-Oneliner
+but mainly for ZSH
+
+