diff --git a/docs/advanced.rst b/docs/advanced.rst
index 9b24f9f3..b8667e69 100644
--- a/docs/advanced.rst
+++ b/docs/advanced.rst
@@ -456,7 +456,7 @@ You should do this for your shell too, in your ``~/.profile`` or ``~/.bashrc`` o
 variables. To activate them, simply create the variable in your shell and pipenv
 will detect it.
 
-    - ``PIPENV_DEFAULT_PYTHON_VERSION`` — Use this version of Python when creating new virtual environments, by default.
+    - ``PIPENV_DEFAULT_PYTHON_VERSION`` — Use this version of Python when creating new virtual environments, by default (e.g. ``3.6``).
 
     - ``PIPENV_SHELL_FANCY`` — Always use fancy mode when invoking ``pipenv shell``.