Your Dexterity score increases by 2 and your Strength by 1

A halfling reaches adulthood at the age of 16 and generally lives to be about 100.

Most halflings are lawful good. As a rule, they are good-hearted and kind, hate to see others in pain, and have no tolerance for oppression. They are also very orderly and traditional, leaning heavily on the support of their community and the comfort of their old ways.

Halflings average about 3 feet tall and weigh about 40 pounds. Your size is Small.

Your base walking speed is 25 feet.

When you roll a 1 on the d20 for an attack roll, ability check, or saving throw, you can reroll the die and must use the new roll.

You can move through the space of any creature that is of a size larger than yours.

You can speak, read, and write Common, Halfling, and Orc.

When you score a critical hit with a melee weapon attack, you can roll one of the weapon's damage dice one additional time and add it to the extra damage of the critical hit. 

Thanks to your orc blood, you have superior vision in dark and dim conditions, You can see in dim light within 35 feet of you as if it were bright light, and in darkness as if it were dim light. You can't discern color in darkness, only shades of gray.