Merge branch '6.0' into 6.1

* 6.0:
  Adding info about clearing cache

Author: javiereguiluz

rate_limiter.rst

@@ -362,8 +362,9 @@ Storing Rate Limiter State
 All rate limiter policies require to store their state (e.g. how many hits were
 already made in the current time window). By default, all limiters use the
 ``cache.rate_limiter`` cache pool created with the :doc:`Cache component </cache>`.
+This means that every time you clear the cache, the rate limiter will be reset.
 
-Use the ``cache_pool`` option to override the cache used by a specific limiter
+You can use the ``cache_pool`` option to override the cache used by a specific limiter
 (or even :ref:`create a new cache pool <cache-create-pools>` for it):
 
 .. configuration-block::