1 files changed, 11 insertions, 0 deletions
diff --git a/tmux.1 b/tmux.1
index 115050a6..b02237f1 100644
--- a/tmux.1
+++ b/tmux.1
@@ -2664,8 +2664,19 @@ See the
 section for details.
 .It Ic prefix Ar key
 Set the key accepted as a prefix key.
+In addition to the standard keys described under
+.Sx KEY BINDINGS ,
+.Ic prefix
+can be set to the special key
+.Ql None
+to set no prefix.
 .It Ic prefix2 Ar key
 Set a secondary key accepted as a prefix key.
+Like
+.Ic prefix ,
+.Ic prefix2
+can be set to
+.Ql None .
 .It Xo Ic renumber-windows
 .Op Ic on | off
 .Xc