Markdown in milestones (#18667)

Author: botatoes

content/github/managing-your-work-on-github/creating-and-editing-milestones-for-issues-and-pull-requests.md

@@ -20,7 +20,7 @@ topics:
   ![New milestone button](/assets/images/help/repository/new-milestone.png)
     - To edit a milestone, next to the milestone you want to edit, click **Edit**.
   ![Edit milestone option](/assets/images/help/repository/edit-milestone.png)
-5. Type the milestone's title, description, or other changes, and click **Create milestone** or **Save changes**.
+5. Type the milestone's title, description, or other changes, and click **Create milestone** or **Save changes**. Milestones will render Markdown syntax. For more information about Markdown syntax, see "[Basic writing and formatting syntax](/github/writing-on-github/basic-writing-and-formatting-syntax)."
 
 ### Deleting milestones