Authors retain the copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution 4.0 International Public License (CC-BY-4.0) that allows others to share the work with an acknowledgment of the work's authorship and initial publication.
In this passage, Philostratus quotes Plato from memory: this is the reason why he mistakenly mentions the Gorgias instead of the Hippias Minor. No need for emendation or deletion.