applied grammar correction by ILF

dwm.html

@@ -55,7 +55,7 @@
 			depending on the application in use and the task performed.
 			</li>
 			<li>
-			dwm don't distinguishes between layers, there is no floating or
+			dwm doesn't distinguishes between layers, there is no floating or
 			tiled layer. Wether the clients of currently selected tag are in
 			tiled mode or not, you can re-arrange all clients on the fly.
 			Popup- and fixed-size windows are treated floating, however.