Fix prelude doc formatting.
Fix prelude doc formatting.

Previously, the 'for ' part blended into the description on the main page.
By putting it on a new line, the index is better formatted.

bvssvni/iron,youprofit/iron,green-panther/iron,ahwatts/iron,Undeterminant/iron,dorfsmay/iron,iron/iron,reem/iron,beni55/iron,badboy/iron,lcqiang521/iron