--- a/src/lib/hex-binary.h	Fri Aug 23 01:20:20 2002 +0300
+++ b/src/lib/hex-binary.h	Fri Aug 23 17:52:26 2002 +0300
@@ -6,8 +6,9 @@
 const char *binary_to_hex(const unsigned char *data, unsigned int size);
 
 /* Convert hex to binary. data and dest may point to same value.
-   Returns TRUE if successful. Returns number of bytes writte to dest,
-   or -1 if error occured. */
+   Returns TRUE if successful. Returns number of bytes written to dest,
+   or -1 if error occured. Make sure dest is at least half the size of
+   strlen(data). */
 int hex_to_binary(const char *data, unsigned char *dest);
 
 #endif