README.md in sensu-plugins-haproxy-1.3.0 vs README.md in sensu-plugins-haproxy-1.4.0

- old
+ new
@@ -12,9 +12,34 @@
  * bin/check-haproxy.rb
  * bin/metrics-haproxy.rb
 
 ## Usage
 
+
+### Metrics
+
+```
+$ /opt/sensu/embedded/bin/metrics-haproxy.rb --help
+Usage: /opt/sensu/embedded/bin/metrics-haproxy.rb (options)
+    -f BACKEND1[,BACKEND2],          comma-separated list of backends to fetch stats from. Default is all backends
+        --backends
+    -c HOSTNAME|SOCKETPATH,          HAproxy web stats hostname or path to stats socket (required)
+        --connect
+    -a, --expose-all                 Expose all possible metrics, includes "--server-metrics", "--backends" will still in effect
+    -p, --pass PASSWORD              HAproxy web stats password
+    -q, --statspath STATUSPATH       HAproxy web stats path (the / will be prepended to the STATUSPATH e.g stats)
+    -P, --port PORT                  HAproxy web stats port
+    -r, --retries RETRIES            Number of times to retry fetching stats from haproxy before giving up.
+    -i, --retry_interval SECONDS     Interval (seconds) between retries
+    -s, --scheme SCHEME              Metric naming scheme, text to prepend to metric
+        --server-metrics             Gathers additional frontend metrics, i.e. total requests
+        --use-explicit-names         Use explicit names for frontend, backend, server, listener
+        --use-haproxy-names          Use raw names as used in haproxy CSV format definition rather than human friendly names
+    -S, --use-ssl                    Use SSL to connect to HAproxy web stats
+    -u, --user USERNAME              HAproxy web stats username
+$
+```
+
 ## Installation
 
 [Installation and Setup](http://sensu-plugins.io/docs/installation_instructions.html)
 
 ## Notes