added gerrit review documentation

src/main/markdown/makinggwtbetter.md

@@ -540,8 +540,10 @@ If you have any problems you might want to consult the gerrit documentation on [
 
 ### Gerrit code review<a id="gerritcodereview"></a>
 Once your “change” is pushed to gerrit, in order to merge the change it requires to pass through following approval process:
+
 1. Jenkins automated precheck to build and test your “change”.
-2. Code-review+2  by reviewers to verify the adherence of coding standards.<br>
+2. Code-review+2  by reviewers to verify the adherence to coding standards.
+
 Typically to avoid “spammers” consuming the server resources, jenkins precheck is not enabled by default to the first-time contributors. However, your submitted change can get +1 and +2 from the reviewers. After your first successful contribution, you will be added to the Jenkins trusted contributor list. From the next commit on, you can get your change Jenkins precheck accompanied by code-review +2
 
 ### GWT Committers<a id="committers"></a>