diff --git a/python/DEV_SETUP.md b/python/DEV_SETUP.md
index 74b834c4fb..f2c899ed75 100644
--- a/python/DEV_SETUP.md
+++ b/python/DEV_SETUP.md
@@ -58,7 +58,7 @@ You can then run the following commands manually:
 # Install Python 3.10, 3.11, 3.12, and 3.13
 uv python install 3.10 3.11 3.12 3.13
 # Create a virtual environment with Python 3.10 (you can change this to 3.11, 3.12 or 3.13)
-$PYTHON_VERSION = "3.10"
+PYTHON_VERSION="3.10"
 uv venv --python $PYTHON_VERSION
 # Install AF and all dependencies
 uv sync --dev