Docs: Apply suggestions from code review

Co-authored-by: James Fletcher <42464962+jf205@users.noreply.github.com>

Author: RasmusWL

docs/codeql/writing-codeql-queries/debugging-data-flow-queries-using-partial-flow.rst

@@ -89,7 +89,7 @@ As noted in the documentation for ``hasPartialFlow`` (for example, in the
 
 This defines the exploration radius within which ``hasPartialFlow`` returns results.
 
-To get good performance when using ``hasPartialFlow`` it is important to ensure the ``isSink`` predicate of the configuration has no results. Likewise when using ``hasPartialFlowRev`` the ``isSource`` predicate of the configuration should have no results
+To get good performance when using ``hasPartialFlow`` it is important to ensure the ``isSink`` predicate of the configuration has no results. Likewise, when using ``hasPartialFlowRev`` the ``isSource`` predicate of the configuration should have no results.
 
 It is also useful to focus on a single source at a time as the starting point for the flow exploration. This is most easily done by adding a temporary restriction in the ``isSource`` predicate.