diff --git a/source/index.rst b/source/index.rst
index efff134d867a175938aae3316da53efa3790b494..e72ab707152fa8639f5c8754eb9ca86890a1d2c7 100644
--- a/source/index.rst
+++ b/source/index.rst
@@ -14,8 +14,8 @@ Welcome to Python Solutions's documentation!
    Collection_Data_Types
    Control_Flow_Statements
    Dive_into_Functions
-   Modules_and_Packages
    Input_Output
+   Modules_and_Packages
    Object_Oriented_Programming