Related Clues:

• Hits the wrong golf ball, say
• Shows one's humanness
• Boots a baseball
• Mistakes sugar for salt, say
• Makes an incorrect correction
• Forgets to charge the phone, say
• Hits the wrong elevator button, for example
• Takes eight tiles in Scrabble, e.g
• Needs auto-correct, say (unless auto-correct is itself wrong)
• Isn't tactful, say
• Is less than perfect
• CCs the wrong person, for example
• Misremembers, maybe
• Proves fallible
• Pours dish detergent in the washing machine, say