fix documentation: describe TypeDescription
diff --git a/doc/wiki/Documentation.txt b/doc/wiki/Documentation.txt
index 93de370..16bd235 100644
--- a/doc/wiki/Documentation.txt
+++ b/doc/wiki/Documentation.txt
@@ -676,8 +676,8 @@
 to use shortcuts:

 {{{

 Representer representer = new Representer();

-representer.putClassTag(Car.class, "!car");

-representer.putClassTag(Wheel.class, "tag:yaml.org,2002:map");

+representer.addTypeDescription(new TypeDescription(Car.class, "!car"));

+representer.addTypeDescription(new TypeDescription(Wheel.class, "tag:yaml.org,2002:map"));

 Dumper dumper = new Dumper(representer, new DumperOptions());

 Yaml yaml = new Yaml(dumper);

 String output = yaml.dump(car);

@@ -696,7 +696,7 @@
 Loader can be configured in a similar way:

 {{{

 Constructor constructor = new Constructor();

-constructor.putClassTag("!car", Car.class);

+constructor.addTypeDescription(new TypeDescription(Car.class, "!car"));

 Loader loader = new Loader(constructor);

 Yaml yaml = new Yaml(loader);

 }}}