SDK-1299: Correct Doc Scan docs

Author: echarrod

yoti_python_sdk/doc_scan/session/create/sdk_config.py

@@ -8,7 +8,7 @@
 
 class SdkConfig(YotiSerializable):
     """
-    Provides configuration properties using by the web/native clients
+    Provides configuration properties for the web/native clients
     """
 
     def __init__(

yoti_python_sdk/doc_scan/session/create/session_spec.py

@@ -78,7 +78,7 @@ def resources_ttl(self):
     @property
     def user_tracking_id(self):
         """
-        User tracking ID, for the Relying Business to track returning users
+        User tracking ID, to track returning users
 
         :return: the user tracking ID
         :rtype: str

yoti_python_sdk/doc_scan/session/retrieve/id_document_resource_response.py

@@ -79,7 +79,7 @@ def document_fields(self):
     def text_extraction_tasks(self):
         """
         Returns a list of text extraction tasks associated
-        with the id document
+        with the identity document
 
         :return: list of text extraction tasks
         :rtype: list[TextExtractionTaskResponse]

yoti_python_sdk/doc_scan/session/retrieve/resource_response.py

@@ -4,6 +4,10 @@
 
 
 class ResourceResponse(object):
+    """
+    Represents a resource
+    """
+
     def __init__(self, data=None):
         """
         :param data: the data to parse