fix: HA reference architectures link (#1513)

Author: as51340

pages/clustering/high-availability.mdx

@@ -54,7 +54,7 @@ deployment.
 A complete reference of all commands for managing coordinators, registering
 instances, and operating the cluster.
 
-### [Reference architectures](/clustering/high-availability/reference-architectures)
+### [Reference architectures](/clustering/high-availability/ha-reference-architectures)
 Explore validated HA deployment topologies, including minimal setups,
 production-ready clusters, scaling patterns, cross–data center deployments, and
 advanced architectures for low-latency or geographically distributed