Simplify the following text for a Grade 13 native English-speaking person.
Original: This information is being given to you gratuitously and thus there is no agreement or understanding between you and Wikipedia regarding your use or modification of this information beyond the GNU Free Documentation License .
Simplified: This information is being given to you gratuitously and 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 )