Merge pull request #376 from gingerwizard/master

README corrections

README.md

@@ -22,7 +22,7 @@ e.g.
 
 ```
 cd /my/repos/
-git https://github.com/elastic/ansible-elasticsearch.git
+git clone https://github.com/elastic/ansible-elasticsearch.git
 cd /my/ansible/playbook
 mkdir -p roles
 ln -s /my/repos/ansible-elasticsearch ./roles/elasticsearch
@@ -79,7 +79,7 @@ The following illustrates applying configuration parameters to an Elasticsearch
     es_api_port: 9201
 ```
 
-The role utilises Elasticsearch version defaults.  The following should be set to ensure a successful cluster forms.
+Whilst the role installs Elasticsearch with the default configuration parameters, the following should be configured to ensure a cluster successfully forms:
 
 * ```es_config['http.port']``` - the http port for the node
 * ```es_config['transport.tcp.port']``` - the transport port for the node
@@ -340,7 +340,7 @@ In addition to es_config, the following parameters allow the customization of th
 * ```es_plugins``` an array of plugin definitions e.g.:
 ```yml
   es_plugins:
-    - plugin: elasticsearch-cloud-aws
+    - plugin: ingest-geoip 
 ```
 * ```es_allow_downgrades``` For development purposes only. (true or false (default) )
 * ```es_java_install``` If set to false, Java will not be installed. (true (default) or false)
@@ -384,7 +384,7 @@ To define proxy only for a particular plugin during its installation:
 
 ```
   es_plugins:
-    - plugin: elasticsearch-cloud-aws
+    - plugin: ingest-geoip 
       proxy_host: proxy.example.com
       proxy_port: 8080
 ```