Merge pull request #13913 from AnilSeervi/about-pull-requests

Update keyboard shortcut to meet new style guidelines

Author: ramyaparimi

content/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/about-pull-requests.md

@@ -46,7 +46,7 @@ After you're happy with the proposed changes, you can merge the pull request. If
 {% tip %}
 
 **Tips:**
-- To toggle between collapsing and expanding all outdated review comments in a pull request, hold down <span class="platform-mac"><kbd>option</kbd></span><span class="platform-linux"><kbd>Alt</kbd></span><span class="platform-windows"><kbd>Alt</kbd></span> and click **Show outdated** or **Hide outdated**. For more shortcuts, see "[Keyboard shortcuts](/articles/keyboard-shortcuts)."
+- To toggle between collapsing and expanding all outdated review comments in a pull request, hold down <span class="platform-mac"><kbd>Option</kbd></span><span class="platform-linux"><kbd>Alt</kbd></span><span class="platform-windows"><kbd>Alt</kbd></span> and click **Show outdated** or **Hide outdated**. For more shortcuts, see "[Keyboard shortcuts](/articles/keyboard-shortcuts)."
 - You can squash commits when merging a pull request to gain a more streamlined view of changes. For more information, see "[About pull request merges](/pull-requests/collaborating-with-pull-requests/incorporating-changes-from-a-pull-request/about-pull-request-merges)."
 
 {% endtip %}