Fix typo

tools/run_tests/helper_scripts/build_python.sh

@@ -124,7 +124,7 @@ if [[ "$(inside_venv)" ]]; then
 else
   # Instantiate the virtualenv from the Python version passed in.
   $PYTHON -m pip install --user virtualenv==20.25.0
-  # Skipp wheel and setuptools and manually install later. Otherwise we might
+  # Skip wheel and setuptools and manually install later. Otherwise we might
   # not find cython module while building grpcio.
   $PYTHON -m virtualenv --no-wheel --no-setuptools "$VENV"
   VENV_PYTHON="$(pwd)/$VENV/$VENV_RELATIVE_PYTHON"