Minor tweaks

Author: javiereguiluz

components/cache.rst

@@ -90,10 +90,10 @@ generate and return the value::
     Use cache tags to delete more than one key at the time. Read more at
     :doc:`/components/cache/cache_invalidation`.
 
-Stampede prevention
+Stampede Prevention
 ~~~~~~~~~~~~~~~~~~~
 
-The Cache Contracts also comes with built in `Stampede prevention`_. This will
+The Cache Contracts also come with built in `Stampede prevention`_. This will
 remove CPU spikes at the moments when the cache is cold. If an example application
 spends 5 seconds to compute data that is cached for 1 hour and this data is accessed
 10 times every second, this means that you mostly have cache hits and everything