Update Highlights22.md
Update Highlights22.md

The 'foo' variable listed in the Ok() method on line 16 was incorrect. Ok() needs to wrap the result of foo, or f.

wegtam/playframework,wsargent/playframework,richdougherty/playframework,mkurz/playframework,mkurz/playframework,hagl/playframework,rajeshpg/playframework,wsargent/playframework,hagl/playframework,ktoso/playframework,wegtam/playframework,marcospereira/playframework,aradchykov/playframework,aradchykov/playframework,marcospereira/playframework,benmccann/playframework,richdougherty/playframework,aradchykov/playframework,ktoso/playframework,Shenker93/playframework,Shruti9520/playframework,benmccann/playframework,playframework/playframework,benmccann/playframework,marcospereira/playframework,wsargent/playframework,zaneli/playframework,hagl/playframework,Shruti9520/playframework,playframework/playframework,mkurz/playframework,hagl/playframework,ktoso/playframework,ktoso/playframework,rajeshpg/playframework,benmccann/playframework,Shruti9520/playframework,wegtam/playframework,richdougherty/playframework,playframework/playframework,richdougherty/playframework,zaneli/playframework,Shruti9520/playframework,zaneli/playframework,Shenker93/playframework,zaneli/playframework,marcospereira/playframework,mkurz/playframework,aradchykov/playframework,Shenker93/playframework,rajeshpg/playframework,Shenker93/playframework,wsargent/playframework,rajeshpg/playframework,wegtam/playframework