diff --git a/docs/visualization.md b/docs/visualization.md
index e944dcf..1b5b176 100644
--- a/docs/visualization.md
+++ b/docs/visualization.md
@@ -3,7 +3,9 @@
 It can be very helpful to visualize your state machine as a directed graph. This is possible
 with the open source [GraphViz](http://www.graphviz.org/) library if we convert from our
 state machine configuration to the `.dot` language expected by GraphViz using the
-`visualize` method:
+`visualize` method.
+
+A `main.js` file defining the following FSM:
 
 ```javascript
   var visualize = require('javascript-state-machine/lib/visualize');
@@ -16,7 +18,7 @@ state machine configuration to the `.dot` language expected by GraphViz using th
     ]
   });
 
-  visualize(fsm)
+  console.log(visualize(fsm));
 ```
 
 Generates the following .dot syntax:
@@ -32,6 +34,10 @@ Generates the following .dot syntax:
 
 Which GraphViz displays as:
 
+```bash
+node main.js | dot -Tpng -o graph.png && open graph.png
+```
+
 ![door](../examples/vertical_door.png)
 
 ## Enhanced Visualization
@@ -47,7 +53,7 @@ You can customize the generated `.dot` output - and hence the graphviz visualiza
       { name: 'close', from: 'open',   to: 'closed', dot: { color: 'red',  headport: 's', tailport: 's' } }
     ]
   });
-  visualize(fsm, { name: 'door', orientation: 'horizontal' });
+  console.log(visualize(fsm, { name: 'door', orientation: 'horizontal' }));
 ```
 
 Generates the following (enhanced) `.dot` syntax:
@@ -81,7 +87,7 @@ You can use the same `visualize` method to generate `.dot` output for a state ma
     ]
   });
 
-  visualize(Matter, { name: 'matter', orientation: 'horizontal' })
+  console.log(visualize(Matter, { name: 'matter', orientation: 'horizontal' }));
 ```
 
 Generates the following .dot syntax:
@@ -116,7 +122,7 @@ Which GraphViz displays as:
     ]
   });
 
-  visualize(Wizard, { orientation: 'horizontal' })
+  console.log(visualize(Wizard, { orientation: 'horizontal' }));
 ```
 
 Generates:
@@ -167,7 +173,7 @@ Displays:
     ]
   })
 
-  visualize(ATM)
+  console.log(visualize(ATM));
 ```
 
 Generates: