Update instructions for updating Header Tags SEO version 3.0.6 to
Header Tags SEO V 3.0.7 by Jack_mcs

1) Upload all of the files in catalog/admin to the same location in your admin.

2) Run these commands via phpmyadmin:

 ALTER TABLE headertags_default ADD PRIMARY KEY (default_title, language_id);
 ALTER TABLE headertags_default ADD KEY idx_default_title (default_title);
 ALTER TABLE headertags ADD PRIMARY KEY (page_name, language_id);
 ALTER TABLE headertags ADD KEY idx_page_name (page_name);