Update os/os.module.go

Co-authored-by: Sebastien Binet <[email protected]>

Author: glaukiol1

os/os.module.go

@@ -94,8 +94,8 @@ func chdir(self py.Object, args py.Tuple) (py.Object, error) {
 	return py.None, nil
 }
 
-// get a enviroment variable by key
-// Return the value of the environment variable key if it exists, or default if it doesn’t. key, default and the result are str.
+// getenv returns the value of the environment variable key.
+// If no such environment variable exists and a default value was provided, that value is returned.
 func getenv(self py.Object, args py.Tuple) (py.Object, error) {
 	var key py.Object      // key to search for
 	var default_ py.Object // return when not found