Update advanced_source/python_extension_autoload.rst

Author: shink

advanced_source/python_extension_autoload.rst

@@ -9,7 +9,7 @@ The extension autoloading mechanism enables PyTorch to automatically
 load out-of-tree backend extensions without explicit import statements. This
 feature is beneficial for users as it enhances their 
 experience and enables them to follow the familiar PyTorch device
-programming model without needing to explicitly load or import device-specific
+programming model without having to explicitly load or import device-specific
 extensions. On the other hand, it facilitates effortless
 adoption of existing PyTorch applications with zero-code changes on
 out-of-tree devices. For further details, refer to the