diff --git a/developer/connecting/pingpong.md b/developer/connecting/pingpong.md
index cb26c5d..4c553c2 100644
--- a/developer/connecting/pingpong.md
+++ b/developer/connecting/pingpong.md
@@ -6,10 +6,10 @@ The client and server use a simple PING/PONG protocol to check that they are bot
 digraph g {
   rankdir=LR
   client [shape=box, style="rounded", label="NATS Client"];
-  gnatsd [shape=circle, fixedsize="true", width="1.0", height="1.0", label="nats-server"];
+  natsserver [shape=circle, fixedsize="true", width="1.0", height="1.0", label="nats-server"];
 
-  client -> gnatsd [label="PING"];
-  gnatsd -> client [label="PONG"];
+  client -> natsserver [label="PING"];
+  natsserver -> client [label="PONG"];
 }
 </code></div>
 
@@ -25,4 +25,4 @@ The PING/PONG interaction is also used by most of the clients as a way to flush
 
 For example, to set the maximum number of outgoing pings to 5:
 
-!INCLUDE "../../_examples/ping_5.html"
\ No newline at end of file
+!INCLUDE "../../_examples/ping_5.html"