1 files changed, 7 insertions, 0 deletions
diff --git a/tmux.1 b/tmux.1
index 67116f8c..0a193bfb 100644
--- a/tmux.1
+++ b/tmux.1
@@ -3315,6 +3315,13 @@ prefixes are
 and
 .Xr dirname 3
 of the variable respectively.
+A prefix of the form
+.Ql s/foo/bar/:
+will substitute
+.Ql foo
+with
+.Ql bar
+throughout.
 .Pp
 In addition, the first line of a shell command's output may be inserted using
 .Ql #() .