Fix partition counts link (#1669)

Co-authored-by: Rob Swain <rob.swain@hazelcast.com>

Author: JamesHazelcast

docs/modules/cluster-performance/pages/performance-tips.adoc

@@ -640,7 +640,7 @@ and effort on meticulous and fragile GC tuning.
 
 If you use HDMS with large data sizes,
 we recommend a large increase in partition count, starting with 5009 or higher. See the
-<<partition-count, Partition Count section>> above for more information. Also, if you intend
+<<partitions, Partitions section>> for more information. Also, if you intend
 to preload very large amounts of data into memory (tens, hundreds, or thousands of gigabytes),
 be sure to profile the data load time and to take that startup time into account prior to deployment.