Index: uspace/srv/net/udp/std.h
===================================================================
--- uspace/srv/net/udp/std.h	(revision 1d24ad312b4ddcdf3dc7c30ee0effc5293fd669c)
+++ uspace/srv/net/udp/std.h	(revision db71e2af5cdfe169de296e6f39b3e5eda7a966f6)
@@ -54,5 +54,5 @@
 } udp_header_t;
 
-/** UDP IPv4 pseudo header */
+/** UDP over IPv4 checksum pseudo header */
 typedef struct {
 	/** Source address */
@@ -68,5 +68,5 @@
 } udp_phdr_t;
 
-/** UDP IPv6 pseudo header */
+/** UDP over IPv6 checksum pseudo header */
 typedef struct {
 	/** Source address */
@@ -76,6 +76,6 @@
 	/** UDP length */
 	uint32_t udp_length;
-	/** Reserved */
-	uint8_t zero[3];
+	/** Zeroes */
+	uint8_t zeroes[3];
 	/** Next header */
 	uint8_t next;