Updated Import (markdown)

Import.md

@@ -210,7 +210,7 @@ mapping:
         replacement: ""
 ```
 
-### deduplication (required)
+### deduplication
 
 Currently there's only one deduplication rule type:
 
@@ -228,8 +228,10 @@ Lastly, use `fields` to name what to compare against (use the target naming).
 deduplication:
   - type: compare
     fields:
-      - internal_id
-      - name
+      - date
+      - amount
+      - account
+      - entities
     match_type: strict
 ```