minor changes to api docs for accounting rules
minor changes to api docs for accounting rules

Vishwa1311/incubator-fineract,RanjithKumar5550/RanMifos,Vishwa1311/incubator-fineract,RanjithKumar5550/RanMifos,RanjithKumar5550/RanMifos,Vishwa1311/incubator-fineract