applied nsz' dwm.1 fixes, thanks Szabolcs!

dwm.1

@@ -56,7 +56,7 @@ click on a tag label adds/removes that tag to/from the focused window.
 .TP
 .B Mod1\-Shift\-Return
 Start
-.BR xterm.
+.BR uxterm .
 .TP
 .B Mod1\-,
 Focus previous screen, if any.
@@ -67,7 +67,7 @@ Focus next screen, if any.
 .B Mod1\-Shift\-,
 Send focused window to previous screen, if any.
 .TP
-.B Mod1\-Shift\-,
+.B Mod1\-Shift\-.
 Send focused window to next screen, if any.
 .TP
 .B Mod1\-b
@@ -110,30 +110,22 @@ Toggle focused window between tiled and floating state.
 Toggles to the previously selected tags.
 .TP
 .B Mod1\-Shift\-[1..n]
-Apply
-.RB nth
-tag to focused window.
+Apply nth tag to focused window.
 .TP
 .B Mod1\-Shift\-0
 Apply all tags to focused window.
 .TP
 .B Mod1\-Control\-Shift\-[1..n]
-Add/remove
-.B nth
-tag to/from focused window.
+Add/remove nth tag to/from focused window.
 .TP
 .B Mod1\-[1..n]
-View all windows with
-.BR nth
-tag.
+View all windows with nth tag.
 .TP
 .B Mod1\-0
 View all windows with any tag.
 .TP
 .B Mod1\-Control\-[1..n]
-Add/remove all windows with
-.BR nth
-tag to/from the view.
+Add/remove all windows with nth tag to/from the view.
 .TP
 .B Mod1\-Shift\-q
 Quit dwm.