diff --git a/test_runner/README.md b/test_runner/README.md
index 303acb8de0..f15aa29c1a 100644
--- a/test_runner/README.md
+++ b/test_runner/README.md
@@ -7,7 +7,8 @@ Prerequisites:
 - Dependencies: install them via `pipenv install`. Note that Debian/Ubuntu
   packages are stale, as it commonly happens, so manual installation is not
   recommended.
-  Run `pipenv shell` to activate the venv.
+  Run `pipenv shell` to activate the venv or use `pipenv run` to run a single
+  command in the venv, e.g. `pipenv run pytests`.
 - Zenith and Postgres binaries
     - See the root README.md for build directions
     - Tests can be run from the git tree; or see the environment variables