diff --git a/PreferencesGUI.py b/PreferencesGUI.py
index 7f6b9f97..c9581981 100644
--- a/PreferencesGUI.py
+++ b/PreferencesGUI.py
@@ -618,8 +618,7 @@ class Preferences(wx.Toolbook):
 	"""
 
 	def __init__(self, parent):
-		"""
-			Constructor.
+		"""Constructor.
 		"""
 
 		wx.Toolbook.__init__(self, parent, wx.NewIdRef(), style=wx.BK_DEFAULT)