Spelling patch: replace 'adresses' with 'addresses' in bugmail_help.html; patch…

contrib/bugmail_help.html

@@ -148,7 +148,7 @@ hopefully valid value.
 <H2>Valid values</H2>
 Give string values for the most keys above. Some keywords  require special values:<br>
 <ol>
-<li>E-Mail adresses: If you want to set the qa-contact, specify a email-adress for @qa_contact. The email must be known by bugzilla of course.</li>
+<li>E-Mail addresses: If you want to set the qa-contact, specify a email-adress for @qa_contact. The email must be known by bugzilla of course.</li>
 <li>Listvalues: Most of the values have to be one of a list of valid values. Try by sending
 a mail and read the reply. Skip fields if you don't get help for them unless you don't know
 which values you may choose.</li>