Referencing_documentation_other_libraries

Author: jposada202020

docs/design_guide.rst

@@ -383,6 +383,14 @@ Renders as:
 
   :param float degrees: Degrees to turn right
 
+Documentation References to other Libraries
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+When you need to make references to documentation in other libraries you should refer the class using single
+backticks  ``:class:`~adafruit_motor.servo.Servo```. You must add also the reference in the ``conf.py`` file in the
+``intersphinx_mapping section`` adding a new entry::
+
+    "adafruit_motor": ("https://circuitpython.readthedocs.io/projects/motor/en/latest/", None,),
+
 Use BusDevice
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