The original title 'Oku no Hosomichi' was written mostly in hiragana except for 'michi' at the end which was written in kanji and the authorized textbook used for Language Arts in the middle school in Japan conforms to that notational convention.
また、原文の題名は「おくのほそ道」であり、中学校国語の検定済み教科書ではすべてその表記法をとっている。