Corrects, as an ID on Facebook

• Marks down, perhaps
• Fixes a mislabeling of on social media
• Labels again
• Labels anew
• Changes the price on
• Marks up or down, say
• Changes a name on, as a Facebook photo
• Marks up or down, perhaps

Wiktionary Word definitions in Wiktionary
vb. (en-third-person singular of: retag )