Not sure about your awning model - but many can be adjusted. Look for a silver round button about the size of a wood pencil eraser on outside ends of awning frame. If present press button and slide frame to next hole. Also useful in tilting awning for drainage if you only do one end.
Better yet read this "adjusting pitch on page nine
https://www.carefreeofcolorado.com/d...ers-Manual.pdf IF only problem is sun under ends - buy some shade cloth at Home Depot and clip it to awning fabric with clothspins.