Fixed outdated relref

Author: rrelledge

content/operate/rs/databases/memory-performance/memory-limit.md

@@ -71,7 +71,7 @@ You must maintain sufficient free memory to make sure that you have a healthy Re
 
 During high-velocity data ingestion, databases can temporarily reach up to 200% of their configured memory limit. This adaptive memory allocation strategy allows large amounts of data to be written to the database quickly without rejecting valid transactions.
 
-Databases should return to their configured memory limits after data is removed according to the [eviction policy]({{<relref "/operate/rs/databases/memory-performance/eviction-policy/">}}) and [time-to-live (TTL)]({{<relref "/develop/use/keyspace#key-expiration">}}).
+Databases should return to their configured memory limits after data is removed according to the [eviction policy]({{<relref "/operate/rs/databases/memory-performance/eviction-policy/">}}) and [time-to-live (TTL)]({{<relref "/develop/using-commands/keyspace#key-expiration">}}).
 
 ## Memory metrics