Merge pull request #206656 from brianlehr/patch-20

Update public-ip-addresses.md

Author: PRMerger7

articles/virtual-network/ip-services/public-ip-addresses.md

@@ -136,7 +136,7 @@ The limits for IP addressing are listed in the full set of [limits for networkin
 
 ## Pricing
 
-Public IP addresses have a nominal charge. To learn more about IP address pricing in Azure, review the [IP address pricing](https://azure.microsoft.com/pricing/details/ip-addresses) page.
+Public IPv4 addresses have a nominal charge; Public IPv6 addresses have no charge.  To learn more about IP address pricing in Azure, review the [IP address pricing](https://azure.microsoft.com/pricing/details/ip-addresses) page.
 
 ## Limitations for IPv6