diff --git a/src/poetryup/core/cmd.py b/src/poetryup/core/cmd.py
index a2b45bc..2542020 100644
--- a/src/poetryup/core/cmd.py
+++ b/src/poetryup/core/cmd.py
@@ -19,7 +19,7 @@ def cmd_run(cmd: List) -> str:
         The output from the command
 
     Raises:
-        CommandError when command exists with non-zer exit code
+        CommandError when command exists with non-zero exit code
     """
 
     logging.debug(f"Run command: '{' '.join(cmd)}'")