Details

• First you have to change the settings of the module to be displayed within an article. So go to the menu "Extensions" and click on "Module Manager".
  
• Now look for the name of the module you need to edit and click on it.
  
• Now you are on the Edit page of the module and you can modify its settings. There on the upper left look for the input field "position" and click on it (not on the arrow).
  
• Inside the input field type a unique name for the new "position" at which you want to display the module.
  
• After you are ready, click on "Save" in order to save the changes you've done.