Fix typo noticed by Alec Nunn
diff --git a/Doc/library/readline.rst b/Doc/library/readline.rst
index 3864f0d..b3d765c 100644
--- a/Doc/library/readline.rst
+++ b/Doc/library/readline.rst
@@ -222,7 +222,7 @@
 
    import atexit
    import os
-   import realine
+   import readline
    histfile = os.path.join(os.path.expanduser("~"), ".python_history")
 
    try: