Fix link

semantic_conventions/metrics/http.yaml

@@ -98,6 +98,13 @@ groups:
       - ref: http.route
         requirement_level:
           conditionally_required: If and only if it's available
+        brief: >
+          The matched route (path template in the format used by the respective server framework). See note below
+        examples: ['/users/:userID?', '{controller}/{action}/{id?}']
+        note: >
+          MUST NOT be populated when this is not supported by the HTTP server framework as the route attribute should have low-cardinality and the URI path can NOT substitute it.
+
+          SHOULD include the [application root](../../trace/semantic_conventions/http.md#http-server-definitions) if there is one.
       - ref: http.status_code
         requirement_level:
           conditionally_required: If and only if one was received/sent.

specification/metrics/semantic_conventions/http-metrics.md

@@ -125,7 +125,7 @@ This metric is optional.
 **[1]:** If `net.transport` is not specified, it can be assumed to be `IP.TCP` except if `http.flavor` is `QUIC`, in which case `IP.UDP` is assumed.
 
 **[2]:** MUST NOT be populated when this is not supported by the HTTP server framework as the route attribute should have low-cardinality and the URI path can NOT substitute it.
-SHOULD include the [application root](#http-server-definitions) if there is one.
+SHOULD include the [application root](../../trace/semantic_conventions/http.md#http-server-definitions) if there is one.
 
 **[3]:** Determined by using the first of the following that applies