Update stashing with slight tweaks

src/stashing.md

@@ -51,6 +51,8 @@ git stash drop 'stash@{2}'
 ```bash
 # If you can't pull/merge due to a file conflict, create a temporary stash.
 git stash
+# Pull changes.
 git pull
+# Apply and drop the stash.
 git stash pop
 ```