Update content/techniques/caching.md

Author: Tony133

content/techniques/caching.md

@@ -14,7 +14,7 @@ $ npm install cache-manager
 
 > warning **Warning** `cache-manager` version 4 uses seconds for `TTL (Time-To-Live)`. The current version of `cache-manager` (v5) has switched to using milliseconds instead. NestJS doesn't convert the value, and simply forwards the ttl you provide to the library. In other words:
 > * If using `cache-manager` v4, provide ttl in seconds
-> * If using `cache-manager` v5 or newer, provide ttl in milliseconds
+> * If using `cache-manager` v5, provide ttl in milliseconds
 > * Documentation is referring to seconds, since NestJS was released targeting version 4 of cache-manager.
 
 #### In-memory cache