Merge pull request #1087 from jf205/update-qhelp-style-guide

Docs: mention lgtm in qhelp style guide

Author: rneatherway

docs/query-help-style-guide.md

@@ -2,7 +2,7 @@
 
 ## Introduction
 
-When you contribute a new query to Semmle/ql for inclusion in the standard queries, you should also write a query help file. This file provides detailed information about the purpose and use of the query, which is available to users in LGTM (for example [here](https://lgtm.com/rules/1506093386171/)) and on the query homepages:
+When you contribute a new query to Semmle/ql for inclusion in the standard queries, or add a custom query for analysis in LGTM, you should also write a query help file. This file provides detailed information about the purpose and use of the query, which is available to users in LGTM (for example [here](https://lgtm.com/rules/1506093386171/)) and on the query homepages:
 
 *   [C/C++ queries](https://help.semmle.com/wiki/display/CCPPOBJ/)
 *   [C# queries](https://help.semmle.com/wiki/display/CSHARP/)