Enhance Ability
You touch a creature and choose Strength, Dexterity, Intelligence, Wisdom, or Charisma. For the duration, the target has Advantage on ability checks using the chosen ability.
Using a Higher-Level Spell Slot. You can target one additional creature for each spell slot level above 2. You can choose a different ability for each target.
Enhance Ability 5.5e 2024 vs. 5e 2014 edition differences
The 2024 version allows choosing any ability score with Advantage on checks, while the 2014 version grants a specific effect based on the chosen ability. The 2024 version explicitly states "up to 1 hour" duration; the 2014 version's duration is fixed at 1 hour. The 2024 version adds classes (ranger, wizard) that can cast it; the 2014 version does not.