Hi
You could try this.
edit file : plugins/system/jasocial_feed/jasocial_feed.php
add this code :
$prependtext = $this->getProperty($profile, 'facebook_title_prepend', '');
above the code
$titleMaxLen = (int) $this->getProperty($profile, 'facebook_title_length', 50);
Change the code (the first 1 you could find.)
$post['source_title'] = $artical_title;
To this:
$post['source_title'] = $prependtext.$artical_title;
edit file : plugins/system/jasocial_feed/jasocial_feed.xml
add this code
<field name="facebook_title_prepend" type="text" default="(Prepend Text)" label="Prepend Text" description="The Text will be show before the title." />
above the code:
<field name="facebook_title_length" type="text" default="50" label="Maximum length" description="The maximum length of title" />
Regards.