diff --git a/agora-sample/Sample/Effect/GovernorMutation.hs b/agora-sample/Sample/Effect/GovernorMutation.hs
index be6e167..e088abf 100644
--- a/agora-sample/Sample/Effect/GovernorMutation.hs
+++ b/agora-sample/Sample/Effect/GovernorMutation.hs
@@ -111,7 +111,7 @@ validContext =
       governorOutput :: TxOut
       governorOutput =
         TxOut
-          { txOutAddress = effectValidatorAddress
+          { txOutAddress = govValidatorAddress
           , txOutValue = withMinAda gst
           , txOutDatumHash = Just $ toDatumHash governorOutputDatum
           }
diff --git a/agora/Agora/Effect/GovernorMutation.hs b/agora/Agora/Effect/GovernorMutation.hs
index 628f130..11c7629 100644
--- a/agora/Agora/Effect/GovernorMutation.hs
+++ b/agora/Agora/Effect/GovernorMutation.hs
@@ -147,7 +147,7 @@ mutateGovernorValidator gov = makeEffect (authorityTokenSymbolFromGovernor gov)
 
     let selfAddress =
           pfield @"address"
-            #$ mustBePJust # "Self governorInput not found"
+            #$ mustBePJust # "Self input not found"
             #$ findTxOutByTxOutRef # txOutRef # txInfo.inputs
 
     passert "No output to the effect validator" $