Armor Class: 16 (Leather, Shield)
Hit Points: 31 (7d6 +7)
Speed: 30ft (9m / 6 sqr)
Ability Modifiers: -2 Str, +2 Dex
Small Size: small creatures should use d6 for hit dices
Stealthy: You have proficiency in the stealth skill. (even if DMG didn't say so, all the goblins on MM got stealth)
Nimble Escape: The creature can take the Disengage or Hide action as a bonus action on each of its turns .
Darkvision: 60ft (18m / 12sqr)
Languages: speaks Common and Goblin.
Multiattack. The Swordsman makes two weapon melee attacks or two ranged attacks.
Scimitar. Melee Weapon Attack +5 to hit, reach 5 ft, one target. Hit: 6 (1d6 +3 ) slashing damage.
Properties: Finesse, Light,
Shortbow. Ranged Weapon Attack +5 to hit, range 80/320, one target. Hit: 6 (1d6 +3 ) piercing damage.
Properties: Ammunition: range 80/320, Two-handed,