Fixed Typos in Instructions of Pig Latin

[Lasamat]

Fixed 2 typos in Pig-Latin.
I checked with Problem Specifications and although they differ generally by wording the typos are not in that one.

I don't know if they are supposed to be identical but they are not and I would atleast like to fix the typos.

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[angelikatyborska]

I don't know if they are supposed to be identical but they are not and I would atleast like to fix the typos.

Yes, they are supposed to be identical, and they get updated automatically with a tool called "configlet". See this github issue if you want to learn how to update all docs of an exercise: #1027

I can see that your PR changes pig-latin instructions to be exactly the same as they would be if updated via configlet, so it's good to merge 👍 thanks