diff --git a/src/libenc/libutf.c b/src/libenc/libutf.c
index 8812577..f6276b3 100644
--- a/src/libenc/libutf.c
+++ b/src/libenc/libutf.c
@@ -5,7 +5,7 @@
  * but very slightly slower than each. */
 /* This operation is symmetrical; swab32(swab32(c)) will always return c. */
 /* big-endian           | ZZZZ YYYY | XXXX WWWW | VVVV UUUU | TTTT SSSS */
-/* little-endian        | TTTT SSSS | VVVV UUUU | */
+/* little-endian        | TTTT SSSS | VVVV UUUU | XXXX WWWW | ZZZZ YYYY */
 rune_t
 swab32(rune_t c){ return
 	  ((c & 0xFF000000) >> 24)
@@ -47,6 +47,7 @@ utf8_to_utf32be(rune_t c){ return
 	|  ((c & 0x00003F00) >> 2)     /* UTF-8 b14- 9 -> UTF-32 b12- 7 */
 	|   (c & 0x0000007F);                          /* UTF-32 b 7- 1 */
 }
+
 /* utf-32be bits          |32            |21 |18       |12      |6
  * U+000000 to U+10FFFF | 0000 0000 | 000Z YYYY | XXXX WWWW | VVVV UUUU */
 /* utf-8 bits             |32   |27     |22         |14        |7