Added _e to a string

Hey,
i added the _e() to a string i found.

sidebar.php

@@ -9,7 +9,7 @@
 						<!-- This content shows up if there are no widgets defined in the backend. -->
 						
 						<div class="alert help">
-							<p>Please activate some Widgets.</p>
+							<p><?php _e("Please activate some Widgets.", "bonestheme");  ?></p>
 						</div>
 
 					<?php endif; ?>