Fix English error
Fix English error

JelteF/PyLaTeX,ovaskevich/PyLaTeX,votti/PyLaTeX,jendas1/PyLaTeX,jendas1/PyLaTeX,sebastianhaas/PyLaTeX,ovaskevich/PyLaTeX,votti/PyLaTeX,sebastianhaas/PyLaTeX,JelteF/PyLaTeX,bjodah/PyLaTeX,bjodah/PyLaTeX