Clarify+make the reducer description more concise (#20060)
Clarify+make the reducer description more concise (#20060)


raisedadead/FreeCodeCamp,BhaveshSGupta/FreeCodeCamp,HKuz/FreeCodeCamp,FreeCodeCamp/FreeCodeCamp,BhaveshSGupta/FreeCodeCamp,jonathanihm/freeCodeCamp,HKuz/FreeCodeCamp,raisedadead/FreeCodeCamp,jonathanihm/freeCodeCamp,FreeCodeCamp/FreeCodeCamp,BhaveshSGupta/FreeCodeCamp