updated man page with the bottom right corner indicator

dwm.1

@@ -20,8 +20,10 @@ tags. Selecting certain tags displays all windows with these tags.
 .P
 dwm contains a small status bar which displays all available tags, the mode,
 the title of the focused window, and the text read from standard input. The
-selected tags are highlighted with a different color, the tags of the focused
-window are highlighted with a small point.
+selected tags are highlighted with a different color. The tags of the focused
+window are highlighted with a small point in the top left corner.  The tags which
+are applied by any client are highlighted with a small point in the bottom
+right corner.
 .P
 dwm draws a 1-pixel border around windows to indicate the focus state.
 Unfocused windows contain a small bar in front of them displaying their title.