Please capitalize where necessary: situated in los angeles, 2.2 km from l.a. live, dtla suites by eleven features accommodation with free wifi, a fitness centre and barbecue facilities.
A: Situated in Los Angeles, 2.2 km from L.A. Live, DTLA Suites by Eleven features accommodation with free WiFi, a fitness centre and barbecue facilities.

Q: you can learn more about target groups here.

A: You can learn more about target groups here.

Q: this is expected to be put into effect by early 2017.
A: This is expected to be put into effect by early 2017.

Problem: there are 547 items in your cart.
Can you repeat this sentence, but capitalize it?
Answer: There are 547 items in your cart.

Text: if you have been to youtube recently and played a couple of videos on the site you may have noticed that new videos were loaded automatically at the end of the one you were just watching.

Correct capitalization: If you have been to YouTube recently and played a couple of videos on the site you may have noticed that new videos were loaded automatically at the end of the one you were just watching.

Please capitalize where necessary: there will also be a keysigning party and a dr. tux where users can ask questions about gnu/linux.
A:
There will also be a keysigning party and a Dr. Tux where users can ask questions about GNU/Linux.