Pytest: (invocation) Use marker (rather than keyword) expressions.

1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index 4146493..232b597 100644
--- a/README.md
+++ b/README.md
@@ -281,7 +281,7 @@ mypy --show-error-codes .
 
 ```bash
 export AUTHLIB_INSECURE_TRANSPORT=true
-pytest -k unit_test
+pytest -m unit_test
 ```
 
 ## OAuth2