Fix typo

python -> Python

Author: changeworld

articles/applied-ai-services/form-recognizer/includes/how-to-guides/python-sdk.md

@@ -40,7 +40,7 @@ After installing Python, you can install the latest version of the Form Recogniz
 pip install azure-ai-formrecognizer 
 ```
 
-### Create a new python application
+### Create a new Python application
 
 Create a new Python application named `form-recognizer.py` in your preferred editor or IDE. Then import the following libraries.