diff --git a/src/util/error.cpp b/src/util/error.cpp
index c4d9ffd0373..3e29083712e 100644
--- a/src/util/error.cpp
+++ b/src/util/error.cpp
@@ -14,7 +14,7 @@ bilingual_str TransactionErrorString(const TransactionError err)
         case TransactionError::OK:
             return Untranslated("No error");
         case TransactionError::MISSING_INPUTS:
-            return Untranslated("Missing inputs");
+            return Untranslated("Inputs missing or spent");
         case TransactionError::ALREADY_IN_CHAIN:
             return Untranslated("Transaction already in block chain");
         case TransactionError::P2P_DISABLED:
@@ -24,11 +24,11 @@ bilingual_str TransactionErrorString(const TransactionError err)
         case TransactionError::MEMPOOL_ERROR:
             return Untranslated("AcceptToMemoryPool failed");
         case TransactionError::INVALID_PSBT:
-            return Untranslated("PSBT is not sane");
+            return Untranslated("PSBT is not well-formed");
         case TransactionError::PSBT_MISMATCH:
             return Untranslated("PSBTs not compatible (different transactions)");
         case TransactionError::SIGHASH_MISMATCH:
-            return Untranslated("Specified sighash value does not match existing value");
+            return Untranslated("Specified sighash value does not match value stored in PSBT");
         case TransactionError::MAX_FEE_EXCEEDED:
             return Untranslated("Fee exceeds maximum configured by -maxtxfee");
         // no default case, so the compiler can warn about missing cases
diff --git a/test/functional/rpc_psbt.py b/test/functional/rpc_psbt.py
index 9b07c396069..a263e227055 100755
--- a/test/functional/rpc_psbt.py
+++ b/test/functional/rpc_psbt.py
@@ -467,7 +467,7 @@ def test_psbt_input_keys(psbt_input, keys):
         assert_equal(analysis['next'], 'creator')
         assert_equal(analysis['error'], 'PSBT is not valid. Input 0 specifies invalid prevout')
 
-        assert_raises_rpc_error(-25, 'Missing inputs', self.nodes[0].walletprocesspsbt, 'cHNidP8BAJoCAAAAAkvEW8NnDtdNtDpsmze+Ht2LH35IJcKv00jKAlUs21RrAwAAAAD/////S8Rbw2cO1020OmybN74e3Ysffkglwq/TSMoCVSzbVGsBAAAAAP7///8CwLYClQAAAAAWABSNJKzjaUb3uOxixsvh1GGE3fW7zQD5ApUAAAAAFgAUKNw0x8HRctAgmvoevm4u1SbN7XIAAAAAAAEAnQIAAAACczMa321tVHuN4GKWKRncycI22aX3uXgwSFUKM2orjRsBAAAAAP7///9zMxrfbW1Ue43gYpYpGdzJwjbZpfe5eDBIVQozaiuNGwAAAAAA/v///wIA+QKVAAAAABl2qRT9zXUVA8Ls5iVqynLHe5/vSe1XyYisQM0ClQAAAAAWABRmWQUcjSjghQ8/uH4Bn/zkakwLtAAAAAAAAQEfQM0ClQAAAAAWABRmWQUcjSjghQ8/uH4Bn/zkakwLtAAAAA==')
+        assert_raises_rpc_error(-25, 'Inputs missing or spent', self.nodes[0].walletprocesspsbt, 'cHNidP8BAJoCAAAAAkvEW8NnDtdNtDpsmze+Ht2LH35IJcKv00jKAlUs21RrAwAAAAD/////S8Rbw2cO1020OmybN74e3Ysffkglwq/TSMoCVSzbVGsBAAAAAP7///8CwLYClQAAAAAWABSNJKzjaUb3uOxixsvh1GGE3fW7zQD5ApUAAAAAFgAUKNw0x8HRctAgmvoevm4u1SbN7XIAAAAAAAEAnQIAAAACczMa321tVHuN4GKWKRncycI22aX3uXgwSFUKM2orjRsBAAAAAP7///9zMxrfbW1Ue43gYpYpGdzJwjbZpfe5eDBIVQozaiuNGwAAAAAA/v///wIA+QKVAAAAABl2qRT9zXUVA8Ls5iVqynLHe5/vSe1XyYisQM0ClQAAAAAWABRmWQUcjSjghQ8/uH4Bn/zkakwLtAAAAAAAAQEfQM0ClQAAAAAWABRmWQUcjSjghQ8/uH4Bn/zkakwLtAAAAA==')
 
 if __name__ == '__main__':
     PSBTTest().main()