Fix spacing after C++ in documentation
diff --git a/Doc/distutils/setupscript.rst b/Doc/distutils/setupscript.rst
index b5ba9eb..6b82c40 100644
--- a/Doc/distutils/setupscript.rst
+++ b/Doc/distutils/setupscript.rst
@@ -201,7 +201,7 @@
 a list of source
 files.  Since the Distutils currently only support C, C++, and Objective-C
 extensions, these are normally C/C++/Objective-C source files.  (Be sure to use
-appropriate extensions to distinguish C++\ source files: :file:`.cc` and
+appropriate extensions to distinguish C++ source files: :file:`.cc` and
 :file:`.cpp` seem to be recognized by both Unix and Windows compilers.)
 
 However, you can also include SWIG interface (:file:`.i`) files in the list; the