Update caching.md

Author: kamilmysliwiec

content/techniques/caching.md

@@ -17,8 +17,6 @@ $ npm install @nestjs/cache-manager cache-manager
 
 #### In-memory cache
 
-> warning **Note** `In-memory cache` can only store values of types that are supported by [the structured clone algorithm](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Structured_clone_algorithm#javascript_types).
-
 Nest provides a unified API for various cache storage providers. The built-in one is an in-memory data store. However, you can easily switch to a more comprehensive solution, like Redis.
 
 In order to enable caching, import the `CacheModule` and call its `register()` method.
@@ -57,6 +55,8 @@ To add an item to the cache, use the `set` method:
 await this.cacheManager.set('key', 'value');
 ```
 
+> warning **Note** The in-memory cache storage can only store values of types that are supported by [the structured clone algorithm](https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Structured_clone_algorithm#javascript_types).
+
 The default expiration time of the cache is 5 seconds.
 
 You can manually specify a TTL (expiration time in seconds) for this specific key, as follows: