developer contributing docs - llvm, sqlite3, sphinx-rtd-theme, and make html

docs/source/developer/contributing.rst

@@ -91,10 +91,11 @@ recommend you use `conda <http://conda.pydata.org/miniconda.html>`_ to
 create a dedicated development environment and install precompiled versions
 of those dependencies there.
 
-First add the Anaconda Cloud ``numba`` channel so as to get development builds
-of the llvmlite library::
+First add the Anaconda Cloud ``numba`` and ``numba/label/dev``
+channels so as to get development builds of the llvmlite library::
 
    $ conda config --add channels numba
+   $ conda config --add channels numba/label/dev
 
 Then create an environment with the right dependencies::
 
@@ -118,7 +119,7 @@ Once the environment is activated, you have a dedicated Python with the
 required dependencies::
 
     $ python
-    Python 3.8.5 (default, Sep  4 2020, 07:30:14) 
+    Python 3.8.5 (default, Sep  4 2020, 07:30:14)
     [GCC 7.3.0] :: Anaconda, Inc. on linux
     Type "help", "copyright", "credits" or "license" for more information.
 
@@ -415,12 +416,12 @@ It is built with `Sphinx <http://sphinx-doc.org/>`_ and
 `numpydoc <https://numpydoc.readthedocs.io/>`_, which are available using
 conda or pip; i.e. ``conda install sphinx numpydoc``.
 
-To build the documentation, you need the bootstrap theme::
+To build the documentation, you need the rtd theme::
 
-   $ pip install sphinx_bootstrap_theme
+   $ conda install sphinx-rtd-theme
 
 You can edit the source files under ``docs/source/``, after which you can
-build and check the documentation::
+build and check the documentation under ``docs/``::
 
    $ make html
    $ open _build/html/index.html