diff --git a/docs/contributing.md b/docs/contributing.md
index c19be318a76..3e6939a5cd8 100644
--- a/docs/contributing.md
+++ b/docs/contributing.md
@@ -68,7 +68,7 @@ To run tests, use the build script:
 
 ```bash
 ./build.sh --test  # Linux/macOS
-./build.cmd --test # Windows
+./build.cmd -test # Windows
 ```
 
 ### Quarantined Tests