minor typo fixed

Change-Id: I3b7a43e22e7424e96444cb9c84e0cc36524aed52
diff --git a/tosca-configs/att-workflow/onlab-pod1-qa-olt.yaml b/tosca-configs/att-workflow/onlab-pod1-qa-olt.yaml
index f33efc5..c72e480 100755
--- a/tosca-configs/att-workflow/onlab-pod1-qa-olt.yaml
+++ b/tosca-configs/att-workflow/onlab-pod1-qa-olt.yaml
@@ -161,7 +161,7 @@
                   "max_threshold": 0,
                   "max_probability": 0
                 }
-    	      },
+              },
               {
                 "pbit_map": "0b00100000",
                 "aes_encryption": "True",