fix typo on license
fix typo on license

jwebbstevens/jwebbstevens.github.io,eXcomm/3D-CSS-Solar-System,eXcomm/3D-CSS-Solar-System,juliangarnier/3D-CSS-Solar-System,meticulo3366/3D-CSS-Solar-System,InterImm/solarsystem,jwebbstevens/jwebbstevens.github.io,InterImm/solarsystem