Toolchain fixes

This is the MR for the similarly-named milestone, estimated time of 1 week.

doc/install.rst

@@ -60,9 +60,13 @@ Installation Steps
 ------------------
 
 #. Activate the Conda environment you will be adding ``beat.editor`` to
-#. Add a new Conda channel: ::
+
+#. Due to the current development state of this project you need to add these two Conda channels: ::
 
    $ conda config --env --add channels https://www.idiap.ch/software/beat/conda/label/beta
+   $ conda config --env --add channels https://www.idiap.ch/software/beat/conda
+
+Note: once this package released only the second channel will be required
 
 #. Install the ``beat.editor`` package: ::