DOC-4260 Feedback update to add a missing word to client-side caching description in release notes

Author: rrelledge

content/operate/rs/release-notes/rs-7-8-releases/rs-7-8-2-28.md

@@ -56,7 +56,7 @@ This version offers:
 
 - Client-side caching support:
 
-    - Client-side caching allows Redis clients to store a subset of data in a local cache and avoid sending repeated requests to the Redis database.
+    - Client-side caching allows Redis clients to store a subset of data in a local cache and avoid sending repeated read requests to the Redis database.
 
     - When used to cache frequently accessed data, this technique can improve performance by decreasing network traffic, latency, and load on the database.