Readme tweaks

readme.md

@@ -332,6 +332,7 @@ request.catch(err => {
 request.cancel();
 ```
 
+
 <a name="cache-adapters"></a>
 ## Cache
 
@@ -355,7 +356,7 @@ const map = new Map();
 Got uses [Keyv](https://github.com/lukechilds/keyv) internally to support a wide range of storage adapters. For something more scalable you could use an [official Keyv storage adapter](https://github.com/lukechilds/keyv#official-storage-adapters):
 
 ```
-npm install @keyv/redis
+$ npm install @keyv/redis
 ```
 
 ```js
@@ -367,9 +368,9 @@ const redis = new KeyvRedis('redis://user:pass@localhost:6379');
 got('todomvc.com', {cache: redis});
 ```
 
-Got supports anything that follows the Map API so it's easy to write your own storage adapter or use a third-party solution.
+Got supports anything that follows the Map API, so it's easy to write your own storage adapter or use a third-party solution.
 
-For example, the following are all valid storage adapters
+For example, the following are all valid storage adapters:
 
 ```js
 const storageAdapter = new Map();