README: fix typo
README: fix typo

jouvin/template-library-grid,victor-mendoza/template-library-grid,Pansanel/template-library-grid,jouvin/template-library-grid,Pansanel/template-library-grid,victor-mendoza/template-library-grid,Pansanel/template-library-grid,victor-mendoza/template-library-grid,jouvin/template-library-grid