Ohio Rev. Code Ann. § 2937.14

In any case in which accused is held or recognized to appear for trial on any charge other than the one on which he was arraigned the court or magistrate shall enter the reason for such charge on the journal of the court (if a court of record) or on the docket (if a court not of record) and shall file with the papers in the case the text of the charge found by him to be sustained by the evidence.