typo fix (#3674)

diff --git a/release.py b/release.py
index 0016b65..ec2e8f7 100644
--- a/release.py
+++ b/release.py
@@ -28,7 +28,7 @@
     try:
         subprocess.check_output(list(args), **kwargs)
     except subprocess.CalledProcessError as e:
-        # Reraise this with a different type so that str(e) is somethign with
+        # Reraise this with a different type so that str(e) is something with
         # stdout in it.
         raise Exception(e.cmd, e.returncode, e.output)