diff --git a/shared/signaling/reference/api-ref/shared/_rtmstatus.mdx b/shared/signaling/reference/api-ref/shared/_rtmstatus.mdx
index 5d4ed7c9d..2a3fc1162 100644
--- a/shared/signaling/reference/api-ref/shared/_rtmstatus.mdx
+++ b/shared/signaling/reference/api-ref/shared/_rtmstatus.mdx
@@ -9,7 +9,7 @@
 </PlatformWrapper>
 <PlatformWrapper platform={['web']}>
 
-```JavaScript 
+```javaScript 
 type ErrorInfo = {
     error: boolean;                     // Whether an error occurs.
     operation: string;                  // Operation type of this method call.
@@ -19,4 +19,4 @@ type ErrorInfo = {
 ```
 
 For details, see [Error Codes](#error-codes-table).
-</PlatformWrapper>
\ No newline at end of file
+</PlatformWrapper>
diff --git a/shared/signaling/storage/reference/oc.mdx b/shared/signaling/storage/reference/oc.mdx
index 999a3dde3..ed05d09ac 100644
--- a/shared/signaling/storage/reference/oc.mdx
+++ b/shared/signaling/storage/reference/oc.mdx
@@ -813,7 +813,7 @@ get all metadata items of the channel.
 
 **Method**
 
-```obj
+```objective-c
 - (void)getChannelMetadataWithCompletion:(AgoraRtmGetChannelMetadataBlock _Nullable)completionBlock;
 ```
 
@@ -923,4 +923,4 @@ When this event  occurs, you can recieve a type `RtmMetadata` for the specific `
 
 > **Caution**: It should be noted that the returned data contains the full amount of data of the current channel, `Add`/`Set`/`Clear`/`Update`/`Delete`  operation all will trigger this event, and you cannot distinguish which operation caused the current event. Need more features, you can use our new version 2.1.
 
-</PlatformWrapper>
\ No newline at end of file
+</PlatformWrapper>