Typo in Example 2 heading in javax.xml.bind.annotation API

A DESCRIPTION OF THE PROBLEM :
Example 2: XML Schema Susbstitution [sic] group support



EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Example 2: XML Schema Substitution group support


ACTUAL -
Example 2: XML Schema Susbstitution group support



URL OF FAULTY DOCUMENTATION :
http://download.java.net/java/jdk9/docs/api/javax/xml/bind/annotation/XmlElementRef.html