"1" shows up in all articles -database issue? Jos_content - Joomla! Forum - community, help and support

i having odd issue.

on site http://www.proudofmydog.com there weird "1" appears in articles on templates. appears in both joomla articles , k2 articles. believe jos_content databasetable "state".

this site configured way of akeeba kickstart, may or may not relevant.

http://proudofmydog.com/index.php/about/our-mission

i have firebugged , appears exist in article- when verifying article............ not in articles.

please help!

running joomla! 2.5.6 - issue spans templates , article components.
this erroneous "1" appears in articles.

i not sure post issue thought basic joomla 2.56 place.

when occur it's caused faulty plugin adds article text. disable content plugins 1 one until goes away. have commenting plugin installed?