Update README.md

CFenner · web-flow · commit 09e07f2d50ff · 2018-03-16T00:51:05.000+01:00
diff --git a/README.md b/README.md
@@ -7,11 +7,11 @@ Docker with:
 
 
 ```
-+--------------------------+     +----------+     +---------+
-|                          |     |          |     |         |
-| telegraf with MQTT input | --> | influxDB | --> | grafana |
-|                          |     |          |     |         |
-+--------------------------+     +----------+     +---------+
+.................     +----------+     +----------+     +---------+
+.               .     |          |     |          |     |         |
+. mosquitto.org . --> | telegraf | --> | influxDB | --> | grafana |
+.               .     |          |     |          |     |         |
+.................     +----------+     +----------+     +---------+
 ```
 
 ## prepare
