diff --git a/services/storage/mgmt/2016-12-01/storage/accounts.go b/services/storage/mgmt/2016-12-01/storage/accounts.go
index f9ccdb9a4c53..99d88c9142f2 100644
--- a/services/storage/mgmt/2016-12-01/storage/accounts.go
+++ b/services/storage/mgmt/2016-12-01/storage/accounts.go
@@ -36,7 +36,8 @@ func NewAccountsClient(subscriptionID string) AccountsClient {
 	return NewAccountsClientWithBaseURI(DefaultBaseURI, subscriptionID)
 }
 
-// NewAccountsClientWithBaseURI creates an instance of the AccountsClient client.
+// NewAccountsClientWithBaseURI creates an instance of the AccountsClient client using a custom endpoint.  Use this
+// when interacting with an Azure cloud that uses a non-standard base URI (sovereign clouds, Azure stack).
 func NewAccountsClientWithBaseURI(baseURI string, subscriptionID string) AccountsClient {
 	return AccountsClient{NewWithBaseURI(baseURI, subscriptionID)}
 }
diff --git a/services/storage/mgmt/2016-12-01/storage/client.go b/services/storage/mgmt/2016-12-01/storage/client.go
index 03bc226bf77f..acf6a31f0417 100644
--- a/services/storage/mgmt/2016-12-01/storage/client.go
+++ b/services/storage/mgmt/2016-12-01/storage/client.go
@@ -41,7 +41,8 @@ func New(subscriptionID string) BaseClient {
 	return NewWithBaseURI(DefaultBaseURI, subscriptionID)
 }
 
-// NewWithBaseURI creates an instance of the BaseClient client.
+// NewWithBaseURI creates an instance of the BaseClient client using a custom endpoint.  Use this when interacting with
+// an Azure cloud that uses a non-standard base URI (sovereign clouds, Azure stack).
 func NewWithBaseURI(baseURI string, subscriptionID string) BaseClient {
 	return BaseClient{
 		Client:         autorest.NewClientWithUserAgent(UserAgent()),
diff --git a/services/storage/mgmt/2016-12-01/storage/usage.go b/services/storage/mgmt/2016-12-01/storage/usage.go
index e935596004e0..ab7e7d5637c6 100644
--- a/services/storage/mgmt/2016-12-01/storage/usage.go
+++ b/services/storage/mgmt/2016-12-01/storage/usage.go
@@ -35,7 +35,8 @@ func NewUsageClient(subscriptionID string) UsageClient {
 	return NewUsageClientWithBaseURI(DefaultBaseURI, subscriptionID)
 }
 
-// NewUsageClientWithBaseURI creates an instance of the UsageClient client.
+// NewUsageClientWithBaseURI creates an instance of the UsageClient client using a custom endpoint.  Use this when
+// interacting with an Azure cloud that uses a non-standard base URI (sovereign clouds, Azure stack).
 func NewUsageClientWithBaseURI(baseURI string, subscriptionID string) UsageClient {
 	return UsageClient{NewWithBaseURI(baseURI, subscriptionID)}
 }