Further documentation updates.

Author: anthony-tuininga

doc/src/index.rst

@@ -15,6 +15,10 @@ against Oracle Database 21c, 19c, 18c, 12c, and 11.2.
 :ref:`license <license>`. Changes in python-oracledb releases can be found in
 the :ref:`release notes <releasenotes>`.
 
+You can use assistive technology products, such as screen readers, while you
+work with the python-oracledb documentation. You can also use the keyboard
+instead of the mouse.
+
 User Guide
 ==========
 
@@ -70,6 +74,11 @@ API Manual
     api_manual/soda.rst
     api_manual/deprecations.rst
 
+.. toctree::
+    :maxdepth: 1
+
+    release_notes.rst
+    license.rst
 
 Indices and tables
 ==================

doc/src/user_guide/installation.rst

@@ -793,12 +793,12 @@ In order to install using the source on GitHub, use the following commands::
     python setup.py build
     python setup.py install
 
-Note that if you download a source zip file directly from GitHub then
-you will also need to download an `ODPI-C
-<https://github.com/oracle/odpi>`__ source zip file and extract it
-inside the directory called "odpi".
+Note that if you download a source zip file directly from GitHub then you will
+also need to download an `ODPI-C <https://github.com/oracle/odpi>`__ source zip
+file and put the extracted contents inside the subdirectory
+"python-oracledb-*/src/oracledb/impl/thick/odpi".
 
-python-oracledb source code is also available from opensource.oracle.com.  This
+Python-oracledb source code is also available from opensource.oracle.com.  This
 can be installed with::
 
     git clone --recurse-submodules git://opensource.oracle.com/git/oracle/python-oracledb.git