Merge pull request bookshelf#470 from therobinkim/patch-1

Correct Relation Types example

Author: bendrucker

index.html

@@ -640,7 +640,7 @@ <h3 id="Model-relation-types">Relation Types:</h3>
     return this.hasOne(Summary);
   },
   owner: function() {
-    return this.belongsTo(Author);
+    return this.belongsTo(Owner);
   },
   pages: function() {
     return this.hasMany(Pages);