[chore] fix examples/testGanache

examples/testGanache.js

@@ -21,9 +21,9 @@ console.log('-------------------------------------');
 console.log(`${mne}`);
 console.log('-------------------------------------');
 
-// we use ChainType=0 to indicate we are using `harmony node`
-// if we set it to 1, we use `eth` as our settings.
-// here 1 is used, which means we use ethereum-node.
+// we use ChainType='hmy' to indicate we are using `harmony node`
+// if we set it to 'eth', we use `eth` as our settings.
+// here 'eth' is used, which means we use ethereum-node.
 
 console.log(ChainType);