diff --git a/specification/apimanagement/resource-manager/Microsoft.ApiManagement/preview/2018-06-01-preview/apimgroups.json b/specification/apimanagement/resource-manager/Microsoft.ApiManagement/preview/2018-06-01-preview/apimgroups.json
index 1a30970c4bc3..9732a8ba97e5 100644
--- a/specification/apimanagement/resource-manager/Microsoft.ApiManagement/preview/2018-06-01-preview/apimgroups.json
+++ b/specification/apimanagement/resource-manager/Microsoft.ApiManagement/preview/2018-06-01-preview/apimgroups.json
@@ -623,7 +623,7 @@
         },
         "externalId": {
           "type": "string",
-          "description": "For external groups, this property contains the id of the group from the external identity provider, e.g. for Azure Active Directory aad://<tenant>.onmicrosoft.com/groups/<group object id>; otherwise the value is null."
+          "description": "For external groups, this property contains the id of the group from the external identity provider, e.g. for Azure Active Directory `aad://<tenant>.onmicrosoft.com/groups/<group object id>`; otherwise the value is null."
         }
       },
       "required": [
@@ -668,7 +668,7 @@
         },
         "externalId": {
           "type": "string",
-          "description": "Identifier of the external groups, this property contains the id of the group from the external identity provider, e.g. for Azure Active Directory aad://<tenant>.onmicrosoft.com/groups/<group object id>; otherwise the value is null."
+          "description": "Identifier of the external groups, this property contains the id of the group from the external identity provider, e.g. for Azure Active Directory `aad://<tenant>.onmicrosoft.com/groups/<group object id>`; otherwise the value is null."
         }
       },
       "required": [
@@ -713,7 +713,7 @@
         },
         "externalId": {
           "type": "string",
-          "description": "Identifier of the external groups, this property contains the id of the group from the external identity provider, e.g. for Azure Active Directory aad://<tenant>.onmicrosoft.com/groups/<group object id>; otherwise the value is null."
+          "description": "Identifier of the external groups, this property contains the id of the group from the external identity provider, e.g. for Azure Active Directory `aad://<tenant>.onmicrosoft.com/groups/<group object id>`; otherwise the value is null."
         }
       },
       "description": "Parameters supplied to the Update Group operation."