Double quote

Author: tannewt

docs/examples.rst

@@ -10,10 +10,10 @@ Ensure the library works with this simple test.
 Second USB
 ----------
 
-Use the library over a second USB CDC serial connection. `boot.py` must include
-`usb_cdc.enable(console=True, data=True)`. `console` can be `False`.
+Use the library over a second USB CDC serial connection. ``boot.py`` must include
+``usb_cdc.enable(console=True, data=True)``. ``console`` can be `False`.
 
-Example "boot.py":
+Example ``boot.py``:
 
 .. code-block:: python
 
@@ -22,7 +22,7 @@ Example "boot.py":
     # Enable console and data
     usb_cdc.enable(console=True, data=True)
 
-Example "code.py":
+Example ``code.py``:
 
 .. literalinclude:: ../examples/prompt_toolkit_second_cdc.py
     :caption: examples/prompt_toolkit_second_cdc.py