added Mod1-Tab description to dwm.1

diff --git a/dwm.1 b/dwm.1
index 7ec3971..ba6b3f4 100644 (file)
--- a/dwm.1
+++ b/dwm.1
@@ -59,6 +59,9 @@ Start
 .B Mod1\-Return
 Zooms/cycles current window to/from master area (tiled layout only).
 .TP
+.B Mod1\-Tab
+Toggles to the previously selected tags.
+.TP
 .B Mod1\-b
 Shows/hides the status bar.
 .TP