diff --git a/qa/rpc-tests/dip4-coinbasemerkleroots.py b/qa/rpc-tests/dip4-coinbasemerkleroots.py
index a07aabc7ebc81..86abf93a2bad5 100755
--- a/qa/rpc-tests/dip4-coinbasemerkleroots.py
+++ b/qa/rpc-tests/dip4-coinbasemerkleroots.py
@@ -71,7 +71,7 @@ def run_test(self):
         mnList = self.test_getmnlistdiff(baseBlockHash, self.nodes[0].getbestblockhash(), mnList, expectedDeleted, expectedUpdated)
         assert(mnList[new_mn.proTxHash].confirmedHash != 0)
 
-        # Spend the coinbase of the previously added MN and test if it appears in "deletedMNs"
+        # Spend the collateral of the previously added MN and test if it appears in "deletedMNs"
         expectedDeleted = [new_mn.proTxHash]
         expectedUpdated = []
         baseBlockHash2 = self.nodes[0].getbestblockhash()