html.templates: fix typo in description of template-convert word
html.templates: fix typo in description of template-convert word

bjourne/factor,sarvex/factor-lang,tgunr/factor,slavapestov/factor,dch/factor,tgunr/factor,dch/factor,bjourne/factor,sarvex/factor-lang,nicolas-p/factor,AlexIljin/factor,mrjbq7/factor,factor/factor,bpollack/factor,mrjbq7/factor,bpollack/factor,dch/factor,sarvex/factor-lang,slavapestov/factor,AlexIljin/factor,factor/factor,nicolas-p/factor,mrjbq7/factor,mrjbq7/factor,nicolas-p/factor,bpollack/factor,sarvex/factor-lang,nicolas-p/factor,sarvex/factor-lang,mrjbq7/factor,tgunr/factor,bpollack/factor,bjourne/factor,slavapestov/factor,slavapestov/factor,factor/factor,AlexIljin/factor,bpollack/factor,bjourne/factor,sarvex/factor-lang,bjourne/factor,slavapestov/factor,AlexIljin/factor,bpollack/factor,dch/factor,tgunr/factor,tgunr/factor,bjourne/factor,factor/factor,AlexIljin/factor,dch/factor,bjourne/factor,sarvex/factor-lang,slavapestov/factor,nicolas-p/factor,factor/factor,tgunr/factor,slavapestov/factor,dch/factor,AlexIljin/factor,factor/factor,bpollack/factor,mrjbq7/factor,nicolas-p/factor,nicolas-p/factor,AlexIljin/factor