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-rw-r--r--fticks_hashmac.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fticks_hashmac.c b/fticks_hashmac.c
index 396927b..c0dd7d8 100644
--- a/fticks_hashmac.c
+++ b/fticks_hashmac.c
@@ -49,7 +49,7 @@ _hash(const uint8_t *in,
unless \a KEY is NULL. If \a KEY is null \a IN is hashed with an
ordinary cryptographic hash function such as SHA-2.
- \a IN and \a KEY are NULL terminated strings.
+ \a IN and \a KEY are NUL terminated strings.
\a IN is supposed to be an Ethernet MAC address and is sanitised
by lowercasing it, removing all but [0-9a-f] and truncating it at