fix capitalization (#831)

Author: ethanpalm

editor.mdx

@@ -122,7 +122,7 @@ The web editor performs Git operations behind the scenes. Understanding these co
   </Accordion>
 
   <Accordion title="Pull request">
-    A way to propose merging your branch changes into your live documentation. Allows for review and discussion before changes go live.
+    A way to propose merging your branch changes into your live documentation. Allows for review and discussion before changes go live. Commonly called a PR.
   </Accordion>
 
   <Accordion title="Diff">
@@ -279,9 +279,9 @@ How your changes are published depends on which branch you are working on:
   />
 </Frame>
 
-## Pull Requests and reviewing changes
+## Pull requests and reviewing changes
 
-Pull requests (PRs) let you propose changes from your branch so that other people can review them before merging into your live documentation. This helps ensure that your changes are correct and gives your team a chance to collaborate on content.
+Pull requests let you propose changes from your branch so that other people can review them before merging into your live documentation. This helps ensure that your changes are correct and gives your team a chance to collaborate on content.
 
 <Tip>
   Even if you're working solo, pull requests are valuable for previewing changes before they go live and maintaining a clear history of updates.