Format math.degrees as code

Author: tpoomlmly

docs/source/api/vision/index.rst

@@ -92,7 +92,7 @@ see `Position <position.html>`__.
 
 It is also possible to look at the `Orientation <orientation.html>`__ of the marker.
 
-.. hint:: You can use the math.degrees function to convert from radians to degrees
+.. Hint:: You can use the ``math.degrees`` function to convert from radians to degrees.
 
 Pixel Positions
 ~~~~~~~~~~~~~~~