fix typo in chronograf/values.yaml (#3652)

stable/chronograf/Chart.yaml

 name: chronograf
-version: 0.4.0
+version: 0.4.1
 description: Open-source web application written in Go and React.js that provides
   the tools to visualize your monitoring data and easily create alerting and automation
   rules.

stable/chronograf/values.yaml

@@ -64,7 +64,7 @@ oauth:
     enabled: false
     client_id: CHANGE_ME
     client_secret: CHANGE_ME
-    # This is a comma seperated list of GH organizations (OPTIONAL)
+    # This is a comma separated list of GH organizations (OPTIONAL)
     gh_orgs: ""
   google:
     enabled: false