Clarify the method of selecting several lines for commenting in PR.

content/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/commenting-on-a-pull-request.md

@@ -47,6 +47,7 @@ To reply to an existing line {% ifversion pull-request-comment-on-file %}or file
 1. In the list of pull requests, click the pull request where you'd like to leave line comments.
 {% data reusables.repositories.changed-files %}
 {% data reusables.repositories.start-line-comment %}
+{% data reusables.repositories.multiple-lines-comment %}
 {% data reusables.repositories.type-line-comment %}
 {% data reusables.repositories.suggest-changes %}
 {% ifversion pull-request-comment-on-file %}

content/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/reviewing-proposed-changes-in-a-pull-request.md

@@ -37,6 +37,7 @@ You can change the format of the diff view in this tab by clicking {% octicon "g
 1. Optionally, if you have access to {% data variables.product.prodname_copilot_enterprise %}, you can ask {% data variables.product.prodname_copilot_short %} about the changes in a file in a pull request by clicking {% octicon "kebab-horizontal" aria-label="Show options" %} at the top right of the file, clicking **Ask {% data variables.product.prodname_copilot_short %} about this diff**, then typing a request such as "Explain these changes." For more information, see "[AUTOTITLE](/enterprise-cloud@latest/copilot/github-copilot-enterprise/copilot-chat-in-github/using-github-copilot-chat-in-githubcom#finding-out-about-the-changes-in-a-pull-request)."
 {%- endif %}
 {% data reusables.repositories.start-line-comment %}
+{% data reusables.repositories.multiple-lines-comment %}
 {% data reusables.repositories.type-line-comment %}
 {% data reusables.repositories.suggest-changes %}
 {% ifversion pull-request-comment-on-file %}

data/reusables/repositories/multiple-lines-comment.md

@@ -0,0 +1 @@
+1. Optionally, you can add a comment on multiple lines. You can click the line number of the first line you want to comment on and drag down to select a range of lines, then click {% octicon "plus" aria-label="The plus sign icon" %} on the last line you want to comment on. Alternatively, you can click {% octicon "plus" aria-label="The plus sign icon" %} next to the first line you want to comment on, then drag down to the last line you want to comment on.

data/reusables/repositories/start-line-comment.md

@@ -1,3 +1,3 @@
-1. Hover over the line of code where you'd like to add a comment, and click the blue comment icon. To add a comment on multiple lines, click and drag to select the range of lines, then click the blue comment icon.
+1. Hover over the line of code where you'd like to add a comment, and click the blue comment icon.
 
    ![Screenshot of a diff in a pull request. Next to a line number, a blue plus icon is highlighted with an orange outline.](/assets/images/help/commits/hover-comment-icon.png)