diff --git a/doc/fd.1 b/doc/fd.1
index 2e1e9cc..27b90d5 100644
--- a/doc/fd.1
+++ b/doc/fd.1
@@ -91,7 +91,7 @@ Filter search by type:
 .RS
 .IP "f, file"
 regular files
-.IP "d, directories"
+.IP "d, directory"
 directories
 .IP "l, symlink"
 symbolic links