Readme update

zpac

@@ -20,9 +20,13 @@ usage() {
 		        -s        Search for <package>.
 		          -S        Search only in the sync db. Implies -s.
 		          -A        Search only in AUR. Implies -s.
-		        -d        Get the package sources (default).
-				            Set twice to also get the dependencies.
+		        -d        Get the package sources (default). Set twice to also get the dependencies.
 		          -f        Force downloading package sources even if they are already present in the working directory.
+		        -w <dir>  Set the working directory.
+
+		Warning! Due to how the argument handling works, you can do this:
+		  $ zpac -wdd /tmp/workdir package
+		Where /tmp/workdir is an argument to w. Don't do this. But it works, unfortunately.
 	EOF
 }