diff --git a/src/guide/components.md b/src/guide/components.md
index 6c7038b986..0bb24d1d31 100644
--- a/src/guide/components.md
+++ b/src/guide/components.md
@@ -324,6 +324,11 @@ Vue.component('example', {
       coerce: function (val) {
         return val + '' // cast the value to string
       }
+    },
+    propH: {
+      coerce: function (val) {
+        return JSON.parse(val) // cast the value to Object
+      }
     }
   }
 })