Clarifies TargetFqdn meaning and also fixed a typo

Proposing these changes related to this issue https://github.com/MicrosoftDocs/office-docs-powershell/issues/1169 and also fixed a typo

Author: get-itips

skype/skype-ps/skype/Test-CsFederatedPartner.md

@@ -24,7 +24,7 @@ Test-CsFederatedPartner [-TargetFqdn] <String> [-Domain] <String> [-Certificate
 `Test-CsFederatedPartner` verifies your ability to connect to the domain of a federated partner.
 In order to verify the connectivity to a domain, that domain must be listed in the collection of allowed (federated) domains.
 Domains can be added to the allowed list by using the `New-CsAllowedDomain` cmdlet.
-When using this cmdlet, make sure that the TargetFqdn parameter points to the internal edge of the proxy server to which federated SIP traffic is directed.
+When using this cmdlet, make sure that the TargetFqdn parameter points to the internal Edge Server FQDN to which federated SIP traffic is directed.
 
 
 ## EXAMPLES
@@ -35,12 +35,12 @@ Test-CsFederatedPartner -TargetFqdn accessproxy.litwareinc.com -Domain fabrikam.
 ```
 
 The command shown in Example 1 verifies the connection between the local access proxy server (accessproxy.litwareinc.com) and the federated domain Fabrikam.com.
-Note that TargetFqdn must point to the internal edge of the proxy server to which federated SIP traffic is directed.
+Note that TargetFqdn must point to the internal Edge Server FQDN to which federated SIP traffic is directed.
 
 
 ### -------------------------- Example 2 --------------------------
 ```
-Test-CsFederatedPartner -TargetFqdn accessproxy.litwareinco.com -Domain push.lync.com -ProxyFqdn sipfed.online.lync.com
+Test-CsFederatedPartner -TargetFqdn accessproxy.litwareinc.com -Domain push.lync.com -ProxyFqdn sipfed.online.lync.com
 ```
 
 Example 2 shows how you can test the connection between your domain and the Lync Server Push Notification Service.
@@ -80,7 +80,7 @@ Accept wildcard characters: False
 
 ### -TargetFqdn
 FQDN of the access proxy server used by your organization for federated SIP traffic.
-The TargetFqdn must point to the internal edge of the proxy server to which federated SIP traffic is directed.
+The TargetFqdn must point to the internal Edge Server FQDN to which federated SIP traffic is directed.
 
 ```yaml
 Type: String