diff --git a/src/python/jw/pkg/lib/util.py b/src/python/jw/pkg/lib/util.py
index e327bfa8..f6fd3352 100644
--- a/src/python/jw/pkg/lib/util.py
+++ b/src/python/jw/pkg/lib/util.py
@@ -54,8 +54,9 @@ async def run_cmd(
             - otherwise -> decode stdout/stderr using this encoding
 
     Returns:
-        (stdout, stderr), each as a string/bytes or None
-        In PTY mode stderr is always None because PTY merges stdout/stderr.
+        (stdout, stderr, exit_status):
+          stdout: stderr each as a string/bytes or None
+          In PTY mode stderr is always None because PTY merges stdout/stderr.
     """
 
     want_bytes = (output_encoding == "bytes")