clarify some comments

04/index.ts

@@ -16,7 +16,7 @@ console.log(
     .slice(0, -1)
     .reduce((coll, curr, index, array) => {
       // 2D string matching is a pain. Let's turn it into a 1D problem!
-      // create the down rows
+      // create the columns
       curr.split("").forEach((s, i) => {
         coll[i] = coll[i] ? coll[i] + s : s;
       });
@@ -34,7 +34,7 @@ console.log(
           ? coll[array.length * 4 + index - i - 2] + s
           : s;
       });
-      // include the original crosses
+      // include the original row
       return [...coll, curr];
     }, Array.from({ length: test ? 10 + (10 * 4 - 2) : 140 + 140 * 4 - 2 }) as string[])
     .reduce((total, curr) => {