correct comment

03/main.go

@@ -39,7 +39,7 @@ func partOne() {
 		lines++
 		n, _ := strconv.ParseInt(line, 2, 64)
 		for i := 0; i < len(line); i++ {
-			// check if the number in the i'th column is 1, then bit-shift back to the 1s place to add it if it is
+			// add the number (1 or 0) in the i'th place to r[i]
 			r[i] += (n & (1 << i)) >> i
 		}
 	}