diff --git a/RockPaperScissors/AppKit-E8_USB/SDS.sdsio.yml b/RockPaperScissors/AppKit-E8_USB/SDS.sdsio.yml
index 379452a..833ad42 100644
--- a/RockPaperScissors/AppKit-E8_USB/SDS.sdsio.yml
+++ b/RockPaperScissors/AppKit-E8_USB/SDS.sdsio.yml
@@ -20,7 +20,8 @@ sdsio:
   # Defines a playback test sequence
   play:
     - step: "Test 0: ML_In.0.sds"
-      labels: [ 0 ]
+      labels:
+        - "0"
     - step: "Test 1: ML_In.rock.1.sds + ML_In.rock.2.sds + ML_In.rock.3.sds"
       labels: 
         - rock.1