diff --git a/src/tests/running.md b/src/tests/running.md
index 1043f87a..5e18b8a9 100644
--- a/src/tests/running.md
+++ b/src/tests/running.md
@@ -68,19 +68,19 @@ Likewise, you can test a single file by passing its path:
 ### Run tests on the standard library
 
 ```bash
-./x.py test library/std
+./x.py test --stage 0 library/std
 ```
 
 ### Run the tidy script and tests on the standard library
 
 ```bash
-./x.py test tidy library/std
+./x.py test --stage 0 tidy library/std
 ```
 
 ### Run tests on the standard library using a stage 1 compiler
 
 ```bash
->   ./x.py test library/std
+./x.py test library/std
 ```
 
 By listing which test suites you want to run you avoid having to run