fixing branding

Author: aahill

articles/cognitive-services/LUIS/role-based-access-control.md

@@ -44,7 +44,7 @@ These custom roles only apply to authoring (Language Understanding Authoring) an
 
 > [!NOTE]
 > * "Owner" and "Contributor" roles take priority over the custom LUIS roles.
-> * Azure Active Directory (AAD) is only used with custom LUIS roles.
+> * Azure Active Directory (Azure AD) is only used with custom LUIS roles.
 
 
 ### Cognitive Services LUIS reader

articles/cognitive-services/language-service/concepts/role-based-access-control.md

@@ -47,7 +47,7 @@ These custom roles only apply to Language authoring resources.
 > [!NOTE]
 > * All prebuilt capabilities are accessible to all roles.
 > * The "Owner" and "Contributor" roles take priority over custom language roles.
-> * Azure Active Directory (AAD) is only used for custom Language roles.
+> * Azure Active Directory (Azure AD) is only used for custom Language roles.
 
 ### Cognitive Services Language reader