Fix PR comments

Author: Melody Huang

src/content/docs/workers/observability/source-maps.mdx

@@ -86,4 +86,4 @@ With **source maps uploaded**: all methods reference the correct files and line
 
 * [Tail Workers](/workers/observability/logs/logpush/) - Learn how to attach Tail Workers to transform your logs and send them to HTTP endpoints.
 * [Real-time logs](/workers/observability/logs/real-time-logs/) - Learn how to capture Workers logs in real-time.
-* [RPC Error Handling](/workers/runtime-apis/rpc/error-handling/) - Learn how exceptions are handled over RPC (Remote Procedure Call).
+* [RPC error handling](/workers/runtime-apis/rpc/error-handling/) - Learn how exceptions are handled over RPC (Remote Procedure Call).