diff --git a/tortoisehg/doc/source/conf.py b/tortoisehg/doc/source/conf.py
index 265e8e4..a2916f0 100644
--- a/tortoisehg/doc/source/conf.py
+++ b/tortoisehg/doc/source/conf.py
@@ -168,8 +168,8 @@ htmlhelp_basename = 'TortoiseHg'
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, document class [howto/manual]).
 latex_documents = [
-  ('index', 'TortoiseHg.tex', ur'TortoiseHg Documentation',
-   ur'Steve Borho and others', 'manual'),
+  ('index', 'TortoiseHg.tex', 'TortoiseHg Documentation',
+   'Steve Borho and others', 'manual'),
 ]
 
 # The name of an image file (relative to this directory) to place at the top of