diff --git a/standards/application/reliable-channel-api.md b/standards/application/reliable-channel-api.md
index 9ef1590..682d5bc 100644
--- a/standards/application/reliable-channel-api.md
+++ b/standards/application/reliable-channel-api.md
@@ -125,7 +125,7 @@ types:
         description: "All chunks of same message have the same value, i.e., num-chunks - 1."
       requestId:
         type: RequestId
-        description: "The request id this chunk belongs to. This is generated by the send function and its type is defined in messaging-api."
+        description: "The request id this chunk belongs to. This is generated by the send function. `RequestId` is defined in [MESSAGING-API](./messaging-api.md)."
 
   SyncStatusDetail:
     type: object
@@ -351,7 +351,7 @@ types:
     fields:
       requestId:
         type: RequestId
-        description: "Identifier of the `send` operation that initiated the message sending"
+        description: "Identifier of the `send` operation that initiated the message sending. `RequestId` is defined in [MESSAGING-API](./messaging-api.md)."
       contentTopic:
         type: string
         description: "Content topic on which the message was received"
@@ -365,7 +365,7 @@ types:
     fields:
       requestId:
         type: RequestId
-        description: "The request ID associated with the sent message"
+        description: "The request ID associated with the sent message. `RequestId` is defined in [MESSAGING-API](./messaging-api.md)."
 
   EventMessageSendError:
     type: object
@@ -373,7 +373,7 @@ types:
     fields:
       requestId:
         type: RequestId
-        description: "The request ID associated with the failed message"
+        description: "The request ID associated with the failed message. `RequestId` is defined in [MESSAGING-API](./messaging-api.md)."
       error:
         type: string
         description: "Error message describing what went wrong"
@@ -384,7 +384,7 @@ types:
     fields:
       requestId:
         type: RequestId
-        description: "The request ID associated with the acknowledged message"
+        description: "The request ID associated with the acknowledged message. `RequestId` is defined in [MESSAGING-API](./messaging-api.md)."
 
   EventIrretrievableMessage:
     type: object
@@ -392,7 +392,7 @@ types:
     fields:
       requestId:
         type: RequestId
-        description: "The request ID of the unrecoverable message"
+        description: "The request ID of the unrecoverable message. `RequestId` is defined in [MESSAGING-API](./messaging-api.md)."
 
   EventSyncStatus:
     type: object
@@ -441,6 +441,7 @@ functions:
         description: "The raw message payload to send."
     returns:
       type: result<RequestId, error>
+      description: "`RequestId` is defined in [MESSAGING-API](./messaging-api.md)."
 ```
 
 #### Messaging extended definitions