Update content/techniques/caching.md

Author: kamilmysliwiec

content/techniques/caching.md

@@ -10,7 +10,7 @@ First install [required packages](https://github.com/node-cache-manager/node-cac
 $ npm install cache-manager
 ```
 
-> warning **Warning**  As of version `>=9.2.1` of NestJS is compatible with both `cache-manager` v4 and v5.
+> info **Hint**  As of version `>=9.2.1`, NestJS is compatible with both `cache-manager` v4 and v5.
 
 > 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