Update tests and README about custom paths
diff --git a/README.rst b/README.rst
index c79788f..2b8349d 100644
--- a/README.rst
+++ b/README.rst
@@ -40,8 +40,8 @@
               key_file: /etc/influxdb/ssl/key.pem
               cert_file: /etc/influxdb/ssl/cert.pem
 
-Single-node influxdb where you specify paths for data and metastore directories. You
-need to ensure that directories exist:
+Single-node influxdb where you specify paths for data and metastore directories. Custom
+directories are created by this formula:
 
 .. code-block:: yaml