WFLY-6914 Description of binding-type for rebind operation should not…

… include external-context type

naming/src/main/resources/org/jboss/as/naming/subsystem/LocalDescriptions.properties

@@ -15,8 +15,8 @@ binding.class=The object factory class name for object factory bindings
 binding.lookup=The entry to lookup in JNDI for lookup bindings
 binding.environment=The environment to use on object factory instance retrieval
 binding.cache=If the external context should be cached
-binding.rebind=Modifies the resource binding at runtime
-binding.rebind.binding-type=The type of binding to create, may be simple, lookup, external-context or object-factory
+binding.rebind=Modifies the resource binding at runtime, this works with most binding types except for external-context
+binding.rebind.binding-type=The type of binding to create, may be simple, lookup or object-factory
 binding.rebind.value=The value to bind for simple bindings
 binding.rebind.type=The type of the value to bind for simple bindings, this must be a primitive type
 binding.rebind.module=The module to load the object factory from for object factory bindings