[Cache] Rewrod a phrase to remove the "basic" word

Author: javiereguiluz

cache.rst

@@ -8,7 +8,7 @@ Using cache is a great way of making your application run quicker. The Symfony c
 component is shipped with many adapters to different storages. Every adapter is
 developed for high performance.
 
-Basic uses of the cache looks like this::
+The following example shows a typical usage of the cache::
 
     if (!$cache->has('my_cache_key')) {
         // ... do some HTTP request or heavy computations