change indentation and add a ;

firstCommit/addTwoNumbers.m

 function c = addTwoNumbers(a, b)
 % addTwoNumbers(a, b) returns the sum of a and b
 
-%    c = a + b
+% c = a + b;
 end

secondCommit/multiplyTwoNumbers.m

 function c = multiplyTwoNumbers(a, b)
 % multiplyTwoNumbers(a, b) returns the product of a and b
 
-%    c = a * b
+% c = a * b;
 end