update doc of tracking directory for zsh ,use print instead of echo

1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index 4f84f1f..64ea808 100644
--- a/README.md
+++ b/README.md
@@ -100,7 +100,7 @@ For `zsh` put this in your `.zshrc`:
 
 ```zsh
 function chpwd() {
-    echo -e "\e]51;$(pwd)\e\\"
+    print -Pn "\e]51;$(pwd)\e\\";
 }
 ```