Fix typo

python -> Python

Author: changeworld

articles/machine-learning/how-to-designer-python.md

@@ -40,7 +40,7 @@ This article uses the sample dataset, **Automobile price data (Raw)**.
 
 1. Connect the output port of the dataset to the top-left input port of the **Execute Python Script** component. The designer exposes the input as a parameter to the entry point script.
 
-    The right input port is reserved for zipped python libraries.
+    The right input port is reserved for zipped Python libraries.
 
     ![Connect datasets](media/how-to-designer-python/connect-dataset.png)