grammar?

Cache.md

@@ -1,4 +1,4 @@
-Sometimes is important to cache routes that serve static content to make your web app performs faster and not spend time on re-building a response to the client.
+Sometimes is important to cache routes that serve static content to make your web app performs faster and not spend time on re-building a response for clients.
 
 There are two ways to achieve HTTP caching. One is to store the contents per handler on the server-side and the other is by checking some headers and send `304 not modified` in order to let the browser or any compatible client to handle the caching by itself.
 
@@ -12,15 +12,13 @@ Let's see their outline.
 to the next handlers, can be used as: `app.Get("/", iris.Cache, aboutHandler)`.
 
 
-`Cache` accepts one single parameter:
-the cache expiration duration
-if the expiration <=2 seconds then expiration is taken by the "cache-control's maxage" header
-returns context.Handler.
+`Cache` accepts one single parameter: the cache expiration duration.
+If the expiration is invalid value,  <=2 seconds, then expiration is taken by the "cache-control's maxage" header
 
 All types of response can be cached, templates, json, text, anything.
 
 Use it for server-side caching, see the `Cache304` for an alternative approach that
-may fit your needs most.
+might fit your needs the most.
 
 ```go
 func Cache(expiration time.Duration) Handler