Merge pull request #73 from islinwb/master

Update docs in cassandra/

Author: sebgoa

cassandra/README.md

@@ -146,7 +146,7 @@ The StatefulSet manifest, included below, creates a Cassandra ring that consists
        UN  172.17.0.6  84.74 KiB  32           67.1%             a6a1e8c2-3dc5-4417-b1a0-26507af2aaad  Rack1-K8Demo
 
 ## Modifying the Cassandra StatefulSet
-Use `kubectl edit` to modify the size of of a Cassandra StatefulSet. 
+Use `kubectl edit` to modify the size of a Cassandra StatefulSet. 
 
 1. Run the following command:
 

cassandra/java/README.md

@@ -1,6 +1,6 @@
 # Cassandra on Kubernetes Custom Seed Provider: releases.k8s.io/HEAD
 
-Within any deployment of Cassandra a Seed Provider is used to for node discovery and communication.  When a Cassandra node first starts it must discover which nodes, or seeds, for the information about the Cassandra nodes in the ring / rack / datacenter.
+Within any deployment of Cassandra a Seed Provider is used for node discovery and communication.  When a Cassandra node first starts it must discover which nodes, or seeds, for the information about the Cassandra nodes in the ring / rack / datacenter.
 
 This Java project provides a custom Seed Provider which communicates with the Kubernetes API to discover the required information.  This provider is bundled with the Docker provided in this example.