Automatically corrected by ICZN Article 34.2: "The ending of a Latin or latinized adjectival or participial species-group name must agree in gender with the generic name with which it is at any time combined [Art. 31.2]; if the gender ending is incorrect it must be changed accordingly (the author and date of the name remain unchanged [Art. 50.3.2])." https://code.iczn.org/formation-and-treatment-of-names/article-34-mandatory-changes-in-spelling-consequent-upon-changes-in-rank-or-combination/#art-34-2 A herpetón is an it (neuter ending of Latin consonant-stem adjectives: -e), not a he or she (masculine and feminine ending: -is).

No publication of a nomenclatural act is needed to make this correction official; it already is.