diff --git a/strace.1 b/strace.1
index b8870a4..fbe6c68 100644
--- a/strace.1
+++ b/strace.1
@@ -396,6 +396,9 @@
 .B "\-e trace=ipc"
 Trace all IPC related system calls.
 .TP
+.B "\-e trace=desc"
+Trace all file descriptor related system calls.
+.TP
 .BI "\-e abbrev=" set
 Abbreviate the output from printing each member of large structures.
 The default is