(fix) Update create-cluster README

Fix a few typos/adjust wording in `create-cluster` README

Author: concreted

utils/create-cluster/README

@@ -2,15 +2,15 @@ Create-custer is a small script used to easily start a big number of Redis
 instances configured to run in cluster mode. Its main goal is to allow manual
 testing in a condition which is not easy to replicate with the Redis cluster
 unit tests, for example when a lot of instances are needed in order to trigger
-a give bug.
+a given bug.
 
 The tool can also be used just to easily create a number of instances in a
 Redis Cluster in order to experiment a bit with the system.
 
 USAGE
 ---
 
-To create a cluster, follow this steps:
+To create a cluster, follow these steps:
 
 1. Edit create-cluster and change the start / end port, depending on the
 number of instances you want to create.
@@ -21,7 +21,7 @@ an actual Redis cluster will be created.
 
 In order to stop a cluster:
 
-1. Use "./craete-cluster stop" to stop all the instances. After you stopped the instances you can use "./create-cluster start" to restart them if you change ideas.
-2. Use "./create-cluster clean" to remove all the AOF / log files to restat with a clean environment.
+1. Use "./create-cluster stop" to stop all the instances. After you stopped the instances you can use "./create-cluster start" to restart them if you change your mind.
+2. Use "./create-cluster clean" to remove all the AOF / log files to restart with a clean environment.
 
 Use the command "./create-cluster help" to get the full list of features.