diff --git a/adafruit_si5351.py b/adafruit_si5351.py
index 9066696..3c3fd60 100644
--- a/adafruit_si5351.py
+++ b/adafruit_si5351.py
@@ -20,13 +20,12 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 """
-`Adafruit_SI5351`
+`adafruit_si5351`
 ====================================================
 
 CircuitPython module to control the SI5351 clock generator.  See
 examples/simpletest.py for a demo of the usage.  This is based on the Arduino
-library at:
-  https://github.com/adafruit/Adafruit_Si5351_Library/
+library at: https://github.com/adafruit/Adafruit_Si5351_Library/
 
 * Author(s): Tony DiCola
 """
diff --git a/docs/conf.py b/docs/conf.py
index 731adda..5cbd4e6 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -18,7 +18,7 @@
 # Uncomment the below if you use native CircuitPython modules such as
 # digitalio, micropython and busio. List the modules you use. Without it, the
 # autodoc module docs will fail to generate with a warning.
-# autodoc_mock_imports = ["digitalio", "busio"]
+autodoc_mock_imports = ["digitalio", "busio", "ustruct", "micropython", "adafruit_bus_device", "adafruit_bus_device.i2c_device"]
 
 intersphinx_mapping = {'python': ('https://docs.python.org/3.4', None),'BusDevice': ('https://circuitpython.readthedocs.io/projects/bus_device/en/latest/', None),'CircuitPython': ('https://circuitpython.readthedocs.io/en/latest/', None)}
 
@@ -28,7 +28,7 @@
 source_suffix = '.rst'
 
 # The master toctree document.
-master_doc = 'README'
+master_doc = 'index'
 
 # General information about the project.
 project = u'Adafruit SI5351 Library'