diff --git a/TutorialConfigs/CovObjs/OscillationModel.yaml b/TutorialConfigs/CovObjs/OscillationModel.yaml
index eb3109ed..e60afa7c 100755
--- a/TutorialConfigs/CovObjs/OscillationModel.yaml
+++ b/TutorialConfigs/CovObjs/OscillationModel.yaml
@@ -84,7 +84,10 @@ Systematics:
     Error: 0.000034
     FlatPrior: true
     SpecialProposal:
-        FlipParameter: 0.
+      FlipParameter: 0. # standard flip
+      #FunctionalFlip:
+      #  Parameters: ["delm2_12", "sin2th_12", "delta_cp", "sin2th_13", "sin2th_23"]
+      #  Formula: "-x - [0] * ([1] + cos([2]) * sqrt([3]) * tan(asin(sqrt([4]))) * sin(2 * asin(sqrt([1]))))"    
     ParameterBounds: [-999, 999]
     ParameterGroup: Osc
     ParameterValues: