diff --git a/developer/concepts/pubsub.md b/developer/concepts/pubsub.md
index af820c0..1cc9c2a 100644
--- a/developer/concepts/pubsub.md
+++ b/developer/concepts/pubsub.md
@@ -2,20 +2,6 @@
 
 NATS implements a publish-subscribe message distribution model for one-to-many communication. A publisher sends a message on a subject and any active subscriber listening on that subject receives the message. Subscribers can also register interest in wildcard subjects that work a bit like a regular expression (but only a bit). This one-to-many pattern is sometimes called fan-out.
 
-<div class="graphviz"><code data-viz="dot">
-digraph nats_pub_sub {
-  rankdir=LR
-  publisher [shape=box, style="rounded", label="Publisher"];
-  subject [shape=circle, label="Subject"];
-  sub1 [shape=box, style="rounded", label="Subscriber"];
-  sub2 [shape=box, style="rounded", label="Subscriber"];
-  sub3 [shape=box, style="rounded", label="Subscriber"];
+![pubsub](/assets/images/pubsub.svg)
 
-  publisher -> subject [label="msg1"];
-  subject -> sub1 [label="msg1"];
-  subject -> sub2 [label="msg1"];
-  subject -> sub3 [label="msg1"];
-}
-</code></div>
-
-Try NATS publish subscribe on your own, using a live server by walking through the [pub-sub tutorial](../tutorials/pubsub.md).
\ No newline at end of file
+Try NATS publish subscribe on your own, using a live server by walking through the [pub-sub tutorial](../tutorials/pubsub.md).