Merge pull request MicrosoftDocs#7809 from YuriySamorodov/patch-28

Update Set-CsTeamsMeetingPolicy.md

Author: v-dihans

skype/skype-ps/skype/Set-CsTeamsMeetingPolicy.md

@@ -764,10 +764,15 @@ Accept wildcard characters: False
 ```
 
 ### -StreamingAttendeeMode
+
+Controls if Teams uses overflow capability once a meeting reaches its capacity (1,000 users with full functionality). 
+
 Possible values are: 
 - Disabled
 - Enabled
 
+Set this to Enabled to allow up to 20,000 extra view-only attendees to join.
+
 ```yaml
 Type: String
 Parameter Sets: (All)
@@ -829,6 +834,7 @@ Accept wildcard characters: False
 ```
 
 ### -AllowMeetingRegistration
+Controls if a user can create a webinar meeting. The default value is True.
 
 Possible values:
 - True
@@ -909,11 +915,16 @@ Accept wildcard characters: False
 ```
 
 ### -WhoCanRegister
+
+Controls the attendees who can attend a webinar meeting. The default is EveryoneInCompany, meaning that internal accounts and guest accounts can attend. 
+
 Possible values:
 
 - Everyone
 - EveryoneInCompany
 
+If you want to organize public webinars, set the value to Everyone.
+
 ```yaml
 Type: String
 Parameter Sets: (All)