Update solution-template-extract-data-from-pdf.md

updating doc with more detailed instructions

Author: n0elleli

articles/data-factory/solution-template-extract-data-from-pdf.md

@@ -44,7 +44,13 @@ This template defines 4 parameters:
 2. Create a **New** connection to your destination storage store or choose an existing connection.
 
 	:::image type="content" source="media/solution-template-extract-data-from-pdf/extract-data-from-pdf-2.png" alt-text="Screenshot of how to create a new connection or select existing connection from a drop down menu to Form Recognizer in template set up.":::
-
+	
+  In your connection to Form Recognizer, make sure to add a **Linked service Parameter**. You will need to use this parameter as your dynamic **Base URL**.
+   
+   :::image type="content" source="media/solution-template-extract-data-from-pdf/extract-data-from-pdf-9.png" alt-text="Screenshot of where to add your Form Recognizer linked service parameter.":::
+   
+   :::image type="content" source="media/solution-template-extract-data-from-pdf/extract-data-from-pdf-8.png" alt-text="Screenshot of the linked service base URL that references the linked service parameter.":::
+   
 3. Select **Use this template**. 
 
 	:::image type="content" source="media/solution-template-extract-data-from-pdf/extract-data-from-pdf-3.png" alt-text="Screenshot of how to complete the template by clicking use this template at the bottom of the screen.":::