diff --git a/fio.1 b/fio.1
index 145b547..fad0ae4 100644
--- a/fio.1
+++ b/fio.1
@@ -1073,7 +1073,7 @@
 Transmission control protocol
 .TP
 .B udp
-Unreliable datagram protocol
+User datagram protocol
 .TP
 .B unix
 UNIX domain socket