Add user supplied assertions module to documentation

docs/source/module-list.rst

@@ -67,3 +67,9 @@ Unchecked Retval
 ****************
 
 The `unchecked retval module <https://github.com/ConsenSys/mythril/blob/develop/mythril/analysis/modules/unchecked_retval.py>`_ detects `SWC-104 (Unchecked Call Return Value) <https://smartcontractsecurity.github.io/SWC-registry/docs/SWC-104>`_.
+
+****************
+Unchecked Retval
+****************
+
+The `user supplied assertion module <https://github.com/ConsenSys/mythril/blob/develop/mythril/analysis/modules/unchecked_retval.py>`_ detects `SWC-110 (Assert Violation) <https://smartcontractsecurity.github.io/SWC-registry/docs/SWC-110>`_ for user-supplied assertions. User supplied assertions should be log messages of the form: :code:`emit AssertionFailed(string)`.