Choose a creature that you can see within range. The target must succeed on a Wisdom saving throw or be paralyzed for the duration. This spell has no effect on undead. At the end of each of its turns, the target can make another Wisdom saving throw. On a success, the spell ends on the target.
At higher levels
When you cast this spell using a spell slot of 6th level or higher, you can target one additional creature for each slot level above 5th. The creatures must be within 30 feet of each other when you target them.
The 2024 Player’s Handbook revised many spells, and the SRD 5.2 carries the new text. What changed from the 2014 version above:
Same level, casting time, range, components, duration and dice; the text is reworded for the 2024 rules glossary.
Casting time
Action
Range
90 feet
Components
V, S, M (a straight piece of iron)
Duration
Concentration, up to 1 minute
School
Enchantment
Level
5
Classes
Bard, Sorcerer, Warlock, Wizard
Tags
concentration
Choose a creature that you can see within range. The target must succeed on a Wisdom saving throw or have the Paralyzed condition for the duration. At the end of each of its turns, the target repeats the save, ending the spell on itself on a success.
Using a Higher-Level Spell Slot. You can target one additional creature for each spell slot level above 5.
2024 version from the SRD 5.2. Most tables settle on one edition, so check which one yours uses.