Update install-from-packages.md

Minor grammar and MyST enhancement

Author: mikejmets

docs/install/install-from-packages.md

@@ -184,7 +184,7 @@ Install the latest Yarn 3 version (not the Classic 1.x one) using `npm`.
     yarn set version 3.x
     ```
 
-    If the version doesn't change you can try deleting the yarn.lock file, setting the version and installing again.
+    If the version doesn't change, you can try deleting the {file}`yarn.lock` file, setting the version, and installing again.
     ```shell
     rm yarn.lock
     yarn set version 3.x