Update Genetic-Algorithm.md

Author: norvig

md/Genetic-Algorithm.md

@@ -7,7 +7,8 @@ __function__ GENETIC-ALGORITHM(_population_, FITNESS\-FN) __returns__ an individ
     FITNESS\-FN, a function that measures the fitness of an individual  
 
  __repeat__  
-   _population_ ← [MUTATE(RECOMBINE(SELECT(2, _population_, FITNESS\-FN))) __for__ _i_ __in__ _population_]  
+   _population_ ← [MUTATE(RECOMBINE(SELECT(2, _population_, FITNESS\-FN)))  
+          __for__ _i_ __in__ _population_]  
  __until__ some individual is fit enough, or enough time has elapsed  
  __return__ the best individual in _population_, according to FITNESS\-FN