fixing broken link

Author: dhtclk

docs/use-cases/observability/clickstack/integration-examples/index.md

@@ -19,6 +19,6 @@ Several of these integration guides use ClickStack's built-in OpenTelemetry Coll
 |------|-------------|
 | [Nginx Logs](/use-cases/observability/clickstack/integrations/nginx) | Quick start guide for Nginx Logs |
 | [Nginx Traces](/use-cases/observability/clickstack/integrations/nginx-traces) | Quick start guide for Nginx Traces |
-| [PostgreSQL Metrics](/use-cases/observability/clickstack/integrations/postgres-metrics) | Quick start guide for PostgreSQL Metrics |
+| [PostgreSQL Metrics](/use-cases/observability/clickstack/integrations/postgresql-metrics) | Quick start guide for PostgreSQL Metrics |
 | [Redis Logs](/use-cases/observability/clickstack/integrations/redis) | Quick start guide for Redis Logs |
 | [Redis Metrics](/use-cases/observability/clickstack/integrations/redis-metrics) | Quick start guide for Redis Metrics |