Add details link

Author: trask

articles/azure-monitor/app/java-standalone-sampling-overrides.md

@@ -207,7 +207,7 @@ at the start of the span.
 
 | Attribute  | Type | Description  |
 |---|---|---|
-| `db.system` | string | Identifier for the database management system (DBMS) product being used. |
+| `db.system` | string | Identifier for the database management system (DBMS) product being used. See [list of identifiers](https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/trace/semantic_conventions/database.md#connection-level-attributes). |
 | `db.connection_string` | string | Connection string used to connect to the database. It's recommended to remove embedded credentials.|
 | `db.user` | string | Username for accessing the database. |
 | `db.name` | string | String used to report the name of the database being accessed. For commands that switch the database, this string should be set to the target database, even if the command fails.|