Merge pull request #932 from Michael-WhiteCapData/fix-broken-rtvi-link

docs: fix broken RTVI link in System Frames reference

Author: markbackman

api-reference/server/frames/system-frames.mdx

@@ -398,7 +398,7 @@ Inherits from `ServiceMetadataFrame`.
 
 ## RTVI
 
-Frames for the [Real-Time Voice Interface (RTVI)](/api-reference/server/rtvi) protocol, which bridges clients and the pipeline. These frames handle custom messaging between the client and server.
+Frames for the [Real-Time Voice Interface (RTVI)](/api-reference/server/rtvi/introduction) protocol, which bridges clients and the pipeline. These frames handle custom messaging between the client and server.
 
 ### RTVIServerMessageFrame