[WEBSITE-498] Fix typos and add reference links

As suggested by @batmat. Thanks.

content/blog/2019/02/2019-02-08-let-s-celebrate-java-11-support.adoc

@@ -25,7 +25,7 @@ This means you can now run your instance with a Java 11 JVM.
 Since June 2018, many events were organized to improve the code base of Jenkins to support running on Java 11.
 Outside of those events, Core and Plugins maintainers have worked hard to make sure to discover and solve as many potential issues related to Java 11 as possible.
 
-The effort to support Java 11 lead to the creation of the https://github.com/jenkinsci/jep/blob/master/jep/211/README.adoc[JEP-211: Java 10+ support in Jenkins].
+The effort to support Java 11 led to the creation of the https://github.com/jenkinsci/jep/blob/master/jep/211/README.adoc[JEP-211: Java 10+ support in Jenkins].
 It also formed the https://jenkins.io/sigs/platform[Platform Special Interest Group] to coordinate the Java 11 work and other platform support efforts.
 
 == Celebration
@@ -40,14 +40,16 @@ Daniel Beck,
 David Aldrich,
 Devin Nusbaum,
 Evaristo Gutierrez,
+Isabel Vilacides,
 James Howe,
 Jeff Pearce,
 Jesse Glick,
+Kevin Earls,
 Kohsuke Kawaguchi,
 Mark Waite,
 Nicolas De Loof,
 Oleg Nenashev,
-Olivier Gondža,
+Oliver Gondža,
 Ramón León,
 Sam Van Oort,
 Ulli Hafner,
@@ -71,8 +73,14 @@ You can find more details on the specific documentation page about link:/doc/adm
 
 We still have work to do.
 We are working on the support of Java 11 on the link:https://github.com/jenkinsci/jenkinsfile-runner[JenkinsFile Runner] project.
-From there, we will port the support to link:https://github.com/jenkins-x[Jenkins X] project.
+From there, we will port the support to the link:https://github.com/jenkins-x[Jenkins X] project.
 We also have to work on the link:projects/evergreen/[Evergreen] project support for Java 11.
 
 So, even if this is a big deal to us, this is not the end of the story.
 It is more the first step which you, users, developers, members of this community, can really benefit from.
+
+== Reference links
+
+* link:/doc/administration/requirements/jenkins-on-java-11[Running Jenkins on Java 11]
+* https://wiki.jenkins.io/display/JENKINS/Known+Java+11+Compatibility+issues
+* https://wiki.jenkins.io/display/JENKINS/Java+11+Developer+Guidelines