Fix documentation for Digit and Digits
Fix documentation for Digit and Digits

Ye-Yong-Chi/Validation,mrsoto/Validation,rogeriopradoj/Validation,thedavidmeister/Validation,regdos/Validation,mubassirhayat/Validation,ahmetgunes/Validation,Respect/Validation,augustohp/Validation,lalocespedes/Validation,Whyounes/Validation,Respect/Validation,mta59066/Validation,zinovyev/Validation,maliayas/Validation,caferrari/Validation,rozehnal/Validation,jpjoao/Validation,riyan8250/Validation,hudolfhess/Validation,guilhermesiani/Validation,osiux/Validation,solvire/Validation