Minor fixes to the advanced associations rdoc, pointed out by mwlang
Minor fixes to the advanced associations rdoc, pointed out by mwlang

nju520/sequel,dennis-d/custom_sequel,mpalmer/sequel,offshore-safety/sequel,nju520/sequel,seeARMS/sequel,mpalmer/sequel,davidbegin/sequel,yazshel/sequel,nicohvi/sequel,gferguson-gd/sequel,offshore-safety/sequel,yazshel/sequel,tmm1/sequel,reubano/sequel,bigfix/sequel,freshpay/sequel,seeARMS/sequel,t-morgan/sequel,pfarrell/sequel,uhoh-itsmaciek/sequel,reubano/sequel,nicohvi/sequel,t-morgan/sequel,uhoh-itsmaciek/sequel,Marketcircle/sequel,beni55/sequel,gferguson-gd/sequel,beni55/sequel,knut2/sequel,chef/sequel,freshpay/sequel,davidbegin/sequel,knut2/sequel,pfarrell/sequel,offshore-safety/sequel,dennis-d/custom_sequel