--- a/libupnpp/getsyshwaddr.h
+++ b/libupnpp/getsyshwaddr.h
@@ -37,9 +37,9 @@
/**
* Retrieve hardware (ethernet) network address for this host.
* @param iface if not null or empty, use this interface, else first found.
- * @param[output] ip IP address in dotted string notation.
+ * @param[out] ip IP address in dotted string notation.
* @param ilen size in bytes of the ip buffer.
- * @param[output] buf in which to return the hardware address.
+ * @param[out] buf in which to return the hardware address.
* @param hlen size in bytes of the buf buffer. Caller should use 6 for binary
* or > 12 for ascii return.
*/