pgrep junk removed and minor script changes

.local/bin/setbg

@@ -4,7 +4,7 @@
 #	Run by itself, set the wallpaper (at X start).
 #	If given a file, set that as the new wallpaper.
 #	If given a directory, choose random file in it.
-#	If wal is installed, also generate a colorscheme.
+#	If wal is installed, also generates a colorscheme.
 
 # Location of link to wallpaper link.
 bgloc="${XDG_DATA_HOME:-$HOME/.local/share/}/bg"