diff --git a/doc/wolfSentry_refman.pdf b/doc/wolfSentry_refman.pdf
index e971d7b..094a3b6 100644
Binary files a/doc/wolfSentry_refman.pdf and b/doc/wolfSentry_refman.pdf differ
diff --git a/wolfsentry/wolfsentry.h b/wolfsentry/wolfsentry.h
index 7dabd2a..a9a0ea1 100644
--- a/wolfsentry/wolfsentry.h
+++ b/wolfsentry/wolfsentry.h
@@ -3338,8 +3338,10 @@ WOLFSENTRY_API wolfsentry_errcode_t wolfsentry_user_values_iterate_end(
     /*!< \brief End an iteration loop started with wolfsentry_user_values_iterate_start().  Caller must have a lock on the context at entry. */
 
 WOLFSENTRY_API int wolfsentry_inet4_ntoa(const byte *addr, unsigned int addr_bits, char *buf, int *buflen);
+    /*!< \brief Convert a network order IPv4 binary address with prefix length into ASCII presentation form (without string termination), with `buflen` supplying available space and returning used space. */
 
 WOLFSENTRY_API int wolfsentry_inet6_ntoa(const byte *addr, unsigned int addr_bits, char *buf, int *buflen);
+    /*!< \brief Convert a network order IPv6 binary address with prefix length into ASCII presentation form (without string termination), with `buflen` supplying available space and returning used space. */
 
 #define WOLFSENTRY_BASE64_DECODED_BUFSPC(buf, len) \
     (((((len)+3)/4)*3) - ((len) > 1 ? \