#3983: typo fix.
diff --git a/Doc/tutorial/interpreter.rst b/Doc/tutorial/interpreter.rst
index 216b4f5..010bc6b 100644
--- a/Doc/tutorial/interpreter.rst
+++ b/Doc/tutorial/interpreter.rst
@@ -22,7 +22,7 @@
popular alternative location.)
On Windows machines, the Python installation is usually placed in
-:file:`C:\Python30`, though you can change this when you're running the
+:file:`C:\\Python30`, though you can change this when you're running the
installer. To add this directory to your path, you can type the following
command into the command prompt in a DOS box::