Update creating-orbs.md

Incorporated comment from Hannah to improve content changes.

Author: thomasr8

jekyll/_cci2/creating-orbs.md

@@ -54,7 +54,7 @@ Certified orbs are those that CircleCI has built or has reviewed and approved as
 
 **Note:** The Security setting required for publishing or using 3rd-party orbs may only be toggled by organization administrators.
 
-**Note:** Private installations of CircleCI server are not currently supported when creating or using orbs.
+**Note:** Orbs are not currently supported on private installations of CircleCI Server.
 
 ## Semantic Versioning in Orbs