Translation:I read your profile.
Oh shoot, I forgot the lenition. It is a definite article isn't it? :(
No, it's the possessive - mo, do, a (his) all cause lenition. http://www.nualeargais.ie/gnag/possess.htm
(Próifil is a feminine noun, so it would also be lenited after the definite article - an phróifíl).