diff --git a/documentation/src/main/docbook/manual/en-US/content/association_mapping.xml b/documentation/src/main/docbook/manual/en-US/content/association_mapping.xml
index 72b8df541b..d02fb874c3 100755
--- a/documentation/src/main/docbook/manual/en-US/content/association_mapping.xml
+++ b/documentation/src/main/docbook/manual/en-US/content/association_mapping.xml
@@ -184,7 +184,7 @@ create table Address ( addressId bigint not null primary key, personId bigint no
 </class>]]></programlisting>
         <programlisting><![CDATA[
 create table Person ( personId bigint not null primary key )
-create table PersonAddress ( personId not null, addressId bigint not null primary key )
+create table PersonAddress ( personId bigint not null, addressId bigint not null primary key )
 create table Address ( addressId bigint not null primary key )
         ]]></programlisting>