diff --git a/man1/ldd.1 b/man1/ldd.1
index 6dd409b5c..958771149 100644
--- a/man1/ldd.1
+++ b/man1/ldd.1
@@ -27,6 +27,9 @@ Print the version number of
 .B \-v\ \-\-verbose
 Print all information, including e.g. symbol versioning information.
 .TP
+.B \-u\ \-\-unused
+Print unused direct dependencies.
+.TP
 .B \-d\ \-\-data\-relocs
 Perform relocations and report any missing objects (ELF only).
 .TP