diff --git a/sdn.1 b/sdn.1
index 0185e18..2f4e4d8 100644
--- a/sdn.1
+++ b/sdn.1
@@ -49,7 +49,7 @@ If non-zero, filenames beginning with a full stop are shown.
 If non-zero, viewers and editors are launched from the parent shell.  This way
 you can suspend them and use job control features of the shell.  However it
 also enforces any pending change to the shell's working directory.
-.It sort-column Em number No (M-< M->)
+.It sort-column Em number No (< >)
 The zero-based index of the
 .Ql full-view
 column that entries are ordered by.