Fix SDK TOC (#4924)

* fix toc

* update PR template

* minor edits

* reword instructions

* reword choices

Author: sdwheeler

.github/PULL_REQUEST_TEMPLATE.md

@@ -3,27 +3,37 @@
 
 ## PR Context
 <!--
-There is a numbered folder for each version of the PowerShell cmdlet reference. Changes to cmdlet
-reference should be made to all versions where applicable. The /docs-conceptual folder tree does not
-have version folders.
+There is a numbered folder for each version of the PowerShell cmdlet content. Changes to cmdlet
+reference should be made to all versions where applicable. The /docs-conceptual folder tree does
+not have version folders.
 -->
 
-Version(s) of documents impacted
+Select the type(s) of documents being changed.
 
-- [ ] Impacts 7 document
-- [ ] Impacts 6 document
-- [ ] Impacts 5.1 document
-- [ ] Impacts 5.0 document
-- [ ] Impacts 4.0 document
-- [ ] Impacts 3.0 document
+**Cmdlet reference & about_ topics**
+- [ ] Version 7 content
+- [ ] Version 6 content
+- [ ] Version 5.1 content
+- [ ] Version 5.0 content
+- [ ] Version 4.0 content
+- [ ] Version 3.0 content
+
+**Conceptual articles**
+- [ ] Fundamental conceptual articles
+- [ ] Script sample articles
+- [ ] DSC articles
+- [ ] Gallery articles
+- [ ] JEA articles
+- [ ] WMF articles
+- [ ] SDK articles
 
 ## PR Checklist
 
 - [ ] I have read the [contributors guide](https://github.com/MicrosoftDocs/PowerShell-Docs/blob/staging/CONTRIBUTING.md) and followed the style and process guidelines
 - [ ] PR has a meaningful title
 - [ ] PR is targeted at the _staging_ branch
 - [ ] All relevant versions updated
-- [ ] Includes reference to related issues and PRs - see [Closing issues using keywords](https://help.github.com/en/articles/closing-issues-using-keywords).
+- [ ] Includes content related to issues and PRs - see [Closing issues using keywords](https://help.github.com/en/articles/closing-issues-using-keywords).
 - [ ] This PR is ready to merge and is not **Work in Progress**
   - If the PR is work in progress, please add the prefix `WIP:` or `[ WIP ]` to the beginning of the
     title and remove the prefix when the PR is ready.