diff --git a/Lib/webbrowser.py b/Lib/webbrowser.py
index 759f470..2fa1148 100644
--- a/Lib/webbrowser.py
+++ b/Lib/webbrowser.py
@@ -122,7 +122,7 @@
         return not rc
 
     def open(self, url, new=1):
-	# XXX currently I know no way to prevent KFM from opening a new win.
+        # XXX currently I know no way to prevent KFM from opening a new win.
         self.open_new(url)
 
     def open_new(self, url):