Merge pull request MicrosoftDocs#1424 from MicrosoftDocs/kenwith-patch-4

Fixes metadata for external help file.

Author: kenwith

skype/skype-ps/skype/New-CsAdditionalInternalDomain.md

@@ -1,5 +1,5 @@
 ---
-external help file:Microsoft.Rtc.Management.dll-help.xml
+external help file: Microsoft.Rtc.Management.dll-help.xml
 applicable: Skype for Business Server 2015, Skype for Business Server 2019
 title: New-CsAdditionalInternalDomain
 schema: 2.0.0