add link to virtual envs section
@@ -19,8 +19,8 @@ Gammapy and its dependencies by executing this command in a terminal:
Though this is one line command is the standard way to install a software package using Anaconda, **we recommend to
make use of an environment definition file** that we provide, so you can get additional useful packages together with
-Gammapy in a virtual isolated environment. In order to proceed in this way, just copy and paste in your terminal
-the two lines below:
+Gammapy in a virtual isolated environment. If you want to learn about using virtual environments see
+:ref:`virtual-envs`. In order to proceed in this way, just copy and paste in your terminal the two lines below:
.. code-block:: bash
@@ -33,6 +33,7 @@ the two lines below:
lines with ``sherpa`` and ``healpy``. Those are optional dependencies that
currently aren't available on Windows.
+
This creates a conda environment called ``gammapy-0.18.2`` which you can activate via:
.. code-block:: bash
