chore(src): bump docs to workflow-beta4

Author: Matthew Fisher

src/managing-workflow/platform-logging.md

@@ -10,7 +10,8 @@ The logging platform is made up of 2 components - [Fluentd](https://github.com/d
 Logger acts like a syslog server and receives all log messages that are occurring on the cluster. It then filters this data to only Deis deploy applications and stores those log messages in a ring buffer where they can be fetched via the Deis CLI.
 
 ## Installation
-With the release of workflow-beta3 chart the logging system is part of the main installation of Workflow. You will then need to watch the components come up and verify they are in a running state by executing the following command:
+
+The logging system is part of the main installation of Workflow. You will need to watch the components come up and verify they are in a running state by executing the following command:
 
 ```
 $ kubectl --namespace=deis get pods

src/managing-workflow/upgrading-workflow.md

@@ -3,7 +3,7 @@
 To upgrade to a newer version of Workflow, run the following:
 
 ```
-$ helmc uninstall workflow-beta2 -n deis
+$ helmc uninstall workflow-beta3 -n deis
 $ helmc update
 $ helmc fetch deis/workflow-beta4
 $ helmc generate -x manifests workflow-beta4