fix tab character

Change-Id: I97c8f712dde4e28367830748d59cb4dfa565a355
diff --git a/xos/exampleservice-onboard.yaml b/xos/exampleservice-onboard.yaml
index 23dcded..777174b 100644
--- a/xos/exampleservice-onboard.yaml
+++ b/xos/exampleservice-onboard.yaml
@@ -16,7 +16,7 @@
           models: models.py
           admin: admin.py
           synchronizer: synchronizer/manifest
-	  synchronizer_run: exampleservice-synchronizer.py
+          synchronizer_run: exampleservice-synchronizer.py
           tosca_custom_types: exampleservice.yaml
           tosca_resource: tosca/resources/exampleservice.py, tosca/resources/exampletenant.py
           rest_service: api/service/exampleservice.py