diff --git a/docs/configuration.rst b/docs/configuration.rst
new file mode 100644
index 0000000..214524b
--- /dev/null
+++ b/docs/configuration.rst
@@ -0,0 +1,16 @@
+Configuration
+=============
+
+sprockets.mixins.metrics has the ability to be configured via environment variables.
+
+The following environment variables are recognized:
+
++-----------------+---------------------------------------+----------+---------------+
+| Name            | Description                           | Required | Default Value |
++-----------------+---------------------------------------+----------+---------------+
+| STATSD_HOST     | The StatsD host to connect to         | No       | 127.0.0.1     |
++-----------------+---------------------------------------+----------+---------------+
+| STATSD_PORT     | The port on which StatsD is listening | No       | 8125          |
++-----------------+---------------------------------------+----------+---------------+
+| STATSD_PROTOCOL | The transport-layer protocol to use   | No       | 8125          |
++-----------------+---------------------------------------+----------+---------------+
diff --git a/docs/history.rst b/docs/history.rst
index 7b70680..665c54a 100644
--- a/docs/history.rst
+++ b/docs/history.rst
@@ -3,6 +3,10 @@
 Release History
 ===============
 
+`Next Release`_
+---------------
+- Add configuration documentation
+
 `4.0.0`_ (06-Feb-2019)
 ----------------------
 - Add support for Tornado 5
diff --git a/docs/index.rst b/docs/index.rst
index 67b2f9f..8c2dfc9 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -8,6 +8,7 @@ License
    :hidden:
 
    api
+   configuration
    examples
    contributing
    history