Add punctuation: A complete description of the APTSystem can be found at APTHOWTO
A: A complete description of the APT-System can be found at APT-HOWTO
QUESTION: Fix punctuation: To my surprise when I downloaded the pictures to my computer I was amazed to see that one of the pictures looked like some type of craft round in shape with a bulging centerthe color of the Center was green
ANS: To my surprise when I downloaded the pictures to my computer I was amazed to see that one of the pictures looked like some type of craft, round in shape with a bulging center,the color of the Center was green.
QUES: It assists by reaching your training targets and informs how your body reacts to training capacities respectively how your body handles the training capacities

correct the punctuation.

CORRECTED: It assists by reaching your training targets and informs how your body reacts to training capacities respectively how your body handles the training capacities.
Question: Why can I only have one Mission active
--
Answer: Why can I only have one Mission active?
By the age of 22 he had been awarded his doctorate been appointed to a professorship at the Gymnasium at Erlangen and had published an extremely important mathematics paper

Can you repeat this sentence, but add in punctuation?
By the age of 22 he had been awarded his doctorate, been appointed to a professorship at the Gymnasium at Erlangen and had published an extremely important mathematics paper.
QUESTION: Fix punctuation: Other media have ousted the poster as an advertising media
ANS:
Other media have ousted the poster as an advertising media.