Fix markdownlint error.

README.md

@@ -27,15 +27,17 @@ Consider reading TabPy documentation in the following order:
 * [Authoring Python calculations in Tableau](docs/TableauConfiguration.md).
 * [TabPy Tools](docs/tabpy-tools.md)
 
-Important Security Note:
+Important security note:
 
 * By default, TabPy is configured without username/password authentication.
-We strongly advise using TabPy only with authentication enabled. For more information, see 
+We strongly advise using TabPy only with authentication enabled. For more
+information, see 
 [TabPy Server Configuration Instructions](docs/server-config.md#authentication). 
-Without authentication in place, if the TABPY_EVALUATE_ENABLE feature is enabled 
-(as it is by default), there is the possibility that unauthenticated individuals could 
-remotely execute code on the machine running TabPy. Leaving these two settings in their 
-default states together is highly discouraged.
+Without authentication in place, if the TABPY_EVALUATE_ENABLE feature is
+enabled (as it is by default), there is the possibility that unauthenticated
+individuals could remotely execute code on the machine running TabPy.
+Leaving these two settings in their default states together is highly
+discouraged.
 
 Troubleshooting: