More minor documentation changes.

Red-M · Red-M · commit b36aebed88b3 · 2021-04-28T20:00:33.000+10:00
diff --git a/README.rst b/README.rst
@@ -13,7 +13,7 @@ Introduction
     :target: https://github.com/adafruit/Adafruit_CircuitPython_MCP230xx/actions/
     :alt: Build Status
 
-CircuitPython module for the MCP23017 and MCP23008 I2C I/O extenders.
+CircuitPython module for the MCP23017 and MCP23008 I2C I/O extenders. Also supports the MCP23S17 and MCP23S08 SPI I/O extenders as well, which are the same chip but over SPI.
 
 Dependencies
 =============
diff --git a/docs/examples.rst b/docs/examples.rst
@@ -6,3 +6,7 @@ Ensure your device works with this simple test.
 .. literalinclude:: ../examples/mcp230xx_simpletest.py
     :caption: examples/mcp230xx_simpletest.py
     :linenos:
+
+.. literalinclude:: ../examples/mcp23Sxx_simpletest.py
+    :caption: examples/mcp23Sxx_simpletest.py
+    :linenos:
