rn-18: fix punctuation and consistency in Other News

Author: chriscool

rev_news/drafts/edition-18.md

@@ -36,12 +36,12 @@ This edition covers what happened during the month of July 2016.
 
 __Various__
 
-* A ["Reedited" version](https://github.com/nobozo/progit2) of [*Pro Git 2nd Edition*](https://github.com/progit/progit2) by Jon Forrest
+* A ["Reedited" version](https://github.com/nobozo/progit2) of [*Pro Git 2nd Edition*](https://github.com/progit/progit2) by Jon Forrest.
 
 __Light reading__
 
-*[A slightly delayed write-up of Git Merge 2016 by Roberto Tyley of the Guardian](https://www.theguardian.com/info/developer-blog/2016/jul/02/git-merge-2016)
-*[Mango: Git completely decentralised](https://medium.com/@alexberegszaszi/mango-git-completely-decentralised-7aef8bcbcfe6)by Alex Beregszaszi.
+*A [slightly delayed write-up of Git Merge 2016](https://www.theguardian.com/info/developer-blog/2016/jul/02/git-merge-2016) by Roberto Tyley of the Guardian.
+*[Mango: Git completely decentralised](https://medium.com/@alexberegszaszi/mango-git-completely-decentralised-7aef8bcbcfe6) by Alex Beregszaszi.
 
 __Git tools and sites__