Clarify milestone creation and deletion steps

Author: hyarisara

content/issues/tracking-your-work-with-issues/creating-and-editing-milestones-for-issues-and-pull-requests.md

@@ -0,0 +1,43 @@
+---
+title: Creating and editing milestones for issues and pull requests
+intro: You can create milestones to track progress across groups of issues or pull requests within a repository.
+redirect_from:
+  - /github/managing-your-work-on-github/tracking-the-progress-of-your-work-with-milestones/creating-and-editing-milestones-for-issues-and-pull-requests
+  - /articles/creating-milestones-for-issues-and-pull-requests
+  - /articles/creating-and-editing-milestones-for-issues-and-pull-requests
+  - /github/managing-your-work-on-github/creating-and-editing-milestones-for-issues-and-pull-requests
+versions:
+  fpt: '*'
+  ghes: '*'
+  ghec: '*'
+topics:
+  - Pull requests
+  - Issues
+  - Project management
+shortTitle: Create & edit milestones
+type: how_to
+---
+
+{% data reusables.repositories.navigate-to-repo %}
+{% data reusables.repositories.sidebar-issue-pr %}
+{% data reusables.project-management.milestones %}
+
+1. Choose one of the following options:
+    * To create a new milestone, click **New milestone**.
+    * To edit an existing milestone, next to the milestone you want to modify, click **Edit**.
+
+       ![Screenshot of the list of milestones. Within the entry for the "beta release" milestone, a link labeled "Edit" is outlined in dark orange.](/assets/images/help/repository/edit-milestone.png) <!-- markdownlint-disable-line outdated-release-phase-terminology -->
+
+1. Enter the milestone title, description, or other updates, then click **Create milestone** or **Save changes**. Milestones support Markdown syntax. For more information, see [AUTOTITLE](/get-started/writing-on-github/getting-started-with-writing-and-formatting-on-github/basic-writing-and-formatting-syntax).
+
+## Deleting milestones
+
+Deleting a milestone does not affect the associated issues or pull requests.
+
+{% data reusables.repositories.navigate-to-repo %}
+{% data reusables.repositories.sidebar-issue-pr %}
+{% data reusables.project-management.milestones %}
+
+1. Next to the milestone you want to remove, click **Delete**.
+
+![Screenshot of the list of milestones for a repository. Within the entry for the "beta release" milestone, a red "Delete" link is outlined in orange.](/assets/images/help/repository/delete-milestone.png) <!-- markdownlint-disable-line outdated-release-phase-terminology -->