Update readme

README.md

@@ -12,10 +12,10 @@ MY_VARIABLE=SOMEVALUE
 Export all metadata attributes as ENV variables for current shell session and store them in /etc/environment for future sessions:
 ```bash
 export $(./getenv)
-./getenv >> /etc/environment
+./getenv 1>> /etc/environment
 ```
 or
 ```bash
-./getenv >> /etc/environment
+./getenv 1>> /etc/environment
 source /etc/environment
 ```