diff --git a/setup/installer/windows/notes.rst b/setup/installer/windows/notes.rst
index 4bd8645b74..997c3ed21f 100644
--- a/setup/installer/windows/notes.rst
+++ b/setup/installer/windows/notes.rst
@@ -106,7 +106,7 @@ This is where all dependencies will be installed.
 
 Add C:\Python27\Scripts and C:\Python27 to PATH 
 
-Edit mimetypes.py in C:\Python27\Lib and set _winreg = None to prevent reading
+Edit /cygdrive/c/Python27/Lib/mimetypes.py and set _winreg = None to prevent reading
 of mimetypes from the windows registry
 
 Python packages