Add release notes for VpnDeviceScript commandlets

Author: ritwikbasu

src/ResourceManager/Network/AzureRM.Network.psd1

@@ -372,7 +372,7 @@ PrivateData = @{
     - Updated New-AzureRmNetworkSecurityRuleConfig: Updated SourcePortRange, DestinationPortRange, SourceAddressPrefix  parameter to accept a list of strings
     - Updated Set-AzureRmNetworkSecurityRuleConfig: Updated SourcePortRange, DestinationPortRange, SourceAddressPrefix parameter to accept a list of strings
     - Updated Add-AzureRmNetworkSecurityRuleConfig: Updated SourcePortRange, DestinationPortRange, SourceAddressPrefix parameter to accept a list of strings
-    - Updated New-AzureRmNetworkSecurityGroup�: Updated SecurityRules parameter to accept SourcePortRange, DestinationPortRange, SourceAddressPrefix parameters which are list of strings in PSSecurityRule object
+    - Updated New-AzureRmNetworkSecurityGroup : Updated SecurityRules parameter to accept SourcePortRange, DestinationPortRange, SourceAddressPrefix parameters which are list of strings in PSSecurityRule object
     - Updated Get-AzureRmEffectiveNetworkSecurityGroup: Added parameter TagMap
     - Updated Get-AzureRmEffectiveNetworkSecurityGroup: Updated returned PSEffectiveSecurityRule object with SourcePortRange, DestinationPortRange, SourceAddressPrefix parameters which are list of strings.
 * Added support for DDoS protection for virtual networks