Update docs/metrics/metrics-queries/metric-query-best-practices.md

Co-authored-by: Kim (Sumo Logic) <[email protected]>

Author: jpipkin1

docs/metrics/metrics-queries/metric-query-best-practices.md

@@ -43,7 +43,7 @@ cluster=search metric=cpu_idle | avg by node
 ```
 
 :::note
-There are `where` filter operators, but always filter via scope whenever possible for faster query performance.
+There are [`where`](#where) filter operators, but always filter via scope whenever possible for faster query performance.
 :::
 
 ### Scope wildcards