Fixes minor style issues

Adds some missing closure tags to the section anchors. This was causing some issues rendering the README

README.md

@@ -501,15 +501,15 @@ And finally, let's cherry-pick the commit for bug #14:
 ```
 
 
-<a name="delete-stale-local-branches">
+<a name="delete-stale-local-branches"></a>
 ### I want to delete local branches that were deleted upstream
 Once you merge a pull request on github, it gives you the option to delete the merged branch in your fork. If you aren't planning to keep working on the branch, it's cleaner to delete the local copies of the branch so you don't end up cluttering up your working checkout with a lot of stale branches.
 
 ```sh
 $ git fetch -p
 ```
 
-<a name='restore-a-deleted-branch'>
+<a name='restore-a-deleted-branch'></a>
 ### I accidentally deleted my branch
 
 If you're regularly pushing to remote, you should be safe most of the time. But still sometimes you may end up deleting your branches. Let's say we create a branch and create a new file:
@@ -603,7 +603,7 @@ To delete a local branch:
 
 ## Rebasing and Merging
 
-<a name="undo-rebase">
+<a name="undo-rebase"></a>
 ### I want to undo rebase/merge
 
 You may have merged or rebased your current branch with a wrong branch, or you can't figure it out or finish the rebase/merge process. Git saves the original HEAD pointer in a variable called ORIG_HEAD before doing dangerous operations, so it is simple to recover your branch at the state before the rebase/merge.