diff --git a/bitncmp.c b/bitncmp.c
index faedff9..1468d49 100644
--- a/bitncmp.c
+++ b/bitncmp.c
@@ -26,7 +26,7 @@
  * bitncmp(l, r, n)
  *	compare bit masks l and r, for n bits.
  * return:
- *	-1, 1, or 0 in the libc tradition.
+ *	<0, >0, or 0 in the libc tradition.
  * note:
  *	network byte order assumed.  this means 192.5.5.240/28 has
  *	0x11110000 in its fourth octet.