README.md in sensu-plugins-riak-0.0.4 vs README.md in sensu-plugins-riak-0.0.5

@@ -3,18 +3,54 @@
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 ## Functionality
 
 ## Files
  * bin/metrics-riak.rb
  * bin/check-riak-ringready.rb
 
 ## Usage
+
+**metrics-riak**
+
+ Include only output the specified values, where exclude remove those not wanted.
+ 
+ Only one of the four available flags will be used, where the precedence order is, -i,-I,-e,-E.
+ 
+ If include or excluded is not manually specified, standard filtering is used.
+ 
+ If using a file, metrics are either space separated or newline separated.
+
+```
+{
+    "checks": {
+        "include_usage": {
+            "type": "metric",
+            "command": "metrics-riak.rb -i vnode_gets vnode_puts",
+            ...
+        },
+        "include_file_usage": {
+            "type": "metric",
+            "command": "metrics-riak.rb -I /some/path/include.txt",
+            ...
+        },
+        "exclude_usage": {
+            "type": "metric",
+            "command": "metrics-riak.rb -e vnode_gets vnode_puts",
+            ...
+        },
+        "exclude_file_usage": {
+            "type": "metric",
+            "command": "metrics-riak.rb -E /some/path/exclude.txt",
+            ...
+        }
+    }
+}
+```
 
 ## Installation
 
 [Installation and Setup](http://sensu-plugins.io/docs/installation_instructions.html)