Fix old comments

clock/index.html

@@ -342,10 +342,6 @@ <h2>MMDDhhmmCCYYss</h2>
         }
         const masksPerRow = 8;
         // Calculate penalty for rule 3: 1:1:3:1:1 finder pattern.
-        // There are two 11-bit search patterns, one with the 4 quiet zone
-        // modules on the left, and one with 4 quiet zone modules on the right.
-        // Left and right refer to the QR code, so leftmost module is the least
-        // significant bit of the search pattern Uint32.
         let penalty = 0;
         const N3 = 40;
         const quietModules = 4;
@@ -459,7 +455,7 @@ <h2>MMDDhhmmCCYYss</h2>
              2 3 |            4 5 |
              4 5 |            2 3 |
              6 7 |            0 1 ▽
-    Note that two of the character symbols span the vertical timing pattern.
+    Note that two of the character symbols span the horizontal timing pattern.
     */
     drawCodeword(x, y, direction, codeword) {
         // Determine which shape is indicated by the direction argument and