diff --git a/docs/lifecycle-events.md b/docs/lifecycle-events.md
index bb3381b..7b470ab 100644
--- a/docs/lifecycle-events.md
+++ b/docs/lifecycle-events.md
@@ -36,8 +36,8 @@ Multiple events can be observed using an observer object:
 
 ```javascript
   fsm.observe({
-    onStep: function() { console.log('stepped');         }
-    onA:    function() { console.log('entered state A'); }
+    onStep: function() { console.log('stepped');         },
+    onA:    function() { console.log('entered state A'); },
     onB:    function() { console.log('entered state B'); }
   });
 ```
@@ -51,8 +51,8 @@ A state machine always observes its own lifecycle events:
       { name: 'step', from: 'A', to: 'B' }
     ],
     methods: {
-      onStep: function() { console.log('stepped');         }
-      onA:    function() { console.log('entered state A'); }
+      onStep: function() { console.log('stepped');         },
+      onA:    function() { console.log('entered state A'); },
       onB:    function() { console.log('entered state B'); }
     }
   });
diff --git a/lib/state-machine.js b/lib/state-machine.js
index b8b9e37..17f9617 100644
--- a/lib/state-machine.js
+++ b/lib/state-machine.js
@@ -474,6 +474,9 @@ mixin(JSM.prototype, {
       observer[args[0]] = args[1];
       this.observers.push(observer);
     }
+    else if (typeof args === "object") {
+      this.observers.push(args);
+    }
     else {
       this.observers.push(args[0]);
     }