Liquid Paper™
noun /ˌlɪkwɪd ˈpeɪpə(r)/
/ˌlɪkwɪd ˈpeɪpər/
[uncountable]- a US make of liquid used for painting over written mistakes on paper. It dries quickly and the correct words or letters can then be written over it. It is sold in small bottles and pens and on tape, and is available in white and other pale colours.