Whitespace normalization.
diff --git a/Lib/webbrowser.py b/Lib/webbrowser.py
index 9dbb3f0..5008a0b 100644
--- a/Lib/webbrowser.py
+++ b/Lib/webbrowser.py
@@ -154,7 +154,7 @@
 
                 def open(self, url, new=1, autoraise=1):
                     # XXX Currently I know no way to prevent KFM from
-                    # opening a new win. 
+                    # opening a new win.
                     self._remote("openURL %s" % url)
 
                 # Deprecated.  May be removed in 2.1.