Simplify the following text for a Grade 14 native English-speaking person.
Original: There is no agreement or understanding between you and Wikipedia regarding your use or modification of this information beyond the GNU Free Documentation License ( GFDL ) ; neither is anyone at Wikipedia responsible should someone change , edit , modify or remove any information that you may post on Wikipedia or any of its associated projects .
Simplified: There is no agreement or understanding between you and Wikipedia regarding your use or modification of this information beyond the Creative Commons Attribution-Sharealike 3.0 Unported License ( CC-BY-SA ) and the GNU Free Documentation License ( GFDL ) ; neither is anyone at Wikipedia responsible should someone change , edit , modify or remove any information that you may post on Wikipedia or any of its associated projects .