diff --git a/mypy/README.md b/mypy/README.md
index aec5641..26906fb 100644
--- a/mypy/README.md
+++ b/mypy/README.md
@@ -1,6 +1,6 @@
 1. Install [mypy](https://github.com/python/mypy#quick-start)
 
-2. Run mypy MYPYPATH=$PWD/mypy:$PWD/mypy/out  mypy --py2 bioframework/consensus.py
+2. Run mypy: `MYPYPATH=$PWD/mypy:$PWD/mypy/out  mypy --py2 bioframework/consensus.py`
 
 If needed, uses `stubgen` to generate more stub files for other libraries.