Docs review suggestion

Co-authored-by: Ben Ahmady <[email protected]>

Author: egregius313

docs/codeql/codeql-language-guides/customizing-library-models-for-csharp.rst

@@ -350,7 +350,7 @@ Threat models
 
 A threat model is a named class of dataflow sources that can be enabled or disabled independently. Threat models allow you to control the set of dataflow sources that you want to consider unsafe. For example, one codebase may only consider remote HTTP requests to be tainted, whereas another may also consider data from local files to be unsafe. You can use threat models to ensure that the relevant taint sources are used in a CodeQL analysis.
 
-The ``kind`` property of the ``sourceModel`` determines which threat model a source is associated with. There are two main categories:
+The ``kind`` property of ``sourceModel`` determines which threat model a source is associated with. There are two main categories:
 
 - ``remote`` which represents requests and responses from the network. 
 - ``local`` which represents data from local files (``file``), command-line arguments (``commandargs``), database reads (``database``), and environment variables(``environment``).