The content type CMS_HTMLHEAD provides editor enter the headline text in backend of CONTENIDO and print stored text in frontend.
CMS_HTMLHEAD can be used in several CONTENIDO modules.
The usage is quite simple, put the code below in your output modul section and you are finished.
The name CMS_HTMLHEAD specifies which content type should be used and  is the index of headline. The index must be integer value.
If you are using more then one CMS_HTMLHEAD per article, you have to change/increment index of the next CMS_HTMLHEAD.
To edit text klick on the pen icon, after input you can store new headline by clicking on green check icon.