diff --git a/src/importcoin.cpp b/src/importcoin.cpp
index e83a71add..b2d48b848 100644
--- a/src/importcoin.cpp
+++ b/src/importcoin.cpp
@@ -104,7 +104,7 @@ bool VerifyCoinImport(const CScript& scriptSig, TransactionSignatureChecker& che
 void AddImportTombstone(const CTransaction &importTx, CCoinsViewCache &inputs, int nHeight)
 {
     uint256 burnHash = importTx.vin[0].prevout.hash;
-    fprintf(stderr,"add tombstone.(%s)\n",burnHash.GetHex().c_str());
+    //fprintf(stderr,"add tombstone.(%s)\n",burnHash.GetHex().c_str());
     CCoinsModifier modifier = inputs.ModifyCoins(burnHash);
     modifier->nHeight = nHeight;
     modifier->nVersion = 4;//1;
@@ -115,7 +115,7 @@ void AddImportTombstone(const CTransaction &importTx, CCoinsViewCache &inputs, i
 void RemoveImportTombstone(const CTransaction &importTx, CCoinsViewCache &inputs)
 {
     uint256 burnHash = importTx.vin[0].prevout.hash;
-    fprintf(stderr,"remove tombstone.(%s)\n",burnHash.GetHex().c_str());
+    //fprintf(stderr,"remove tombstone.(%s)\n",burnHash.GetHex().c_str());
     inputs.ModifyCoins(burnHash)->Clear();
 }
 
@@ -123,6 +123,6 @@ void RemoveImportTombstone(const CTransaction &importTx, CCoinsViewCache &inputs
 int ExistsImportTombstone(const CTransaction &importTx, const CCoinsViewCache &inputs)
 {
     uint256 burnHash = importTx.vin[0].prevout.hash;
-    fprintf(stderr,"check tombstone.(%s) in %s\n",burnHash.GetHex().c_str(),importTx.GetHash().GetHex().c_str());
+    //fprintf(stderr,"check tombstone.(%s) in %s\n",burnHash.GetHex().c_str(),importTx.GetHash().GetHex().c_str());
     return inputs.HaveCoins(burnHash);
 }
diff --git a/src/rpc/crosschain.cpp b/src/rpc/crosschain.cpp
index f3c0e887d..a2e74477a 100644
--- a/src/rpc/crosschain.cpp
+++ b/src/rpc/crosschain.cpp
@@ -278,7 +278,8 @@ UniValue selfimport(const UniValue& params, bool fHelp)
                             "creates signed selfimport transaction from txid");
     txid = Parseuint256((char *)params[0].get_str().c_str());
     burnAmount = atof(params[1].get_str().c_str()) * COIN + 0.00000000499999;
-    
+    // txid is just used to specify the import recv address
+    // in reality it would be rawtx from the other chain
     if ( GetTransaction(txid,burnTx,blockHash,false) == 0 )
         throw runtime_error("selfimport couldnt find txid");
     savevout = burnTx.vout[0];