diff --git a/test/functional/abandonconflict.py b/test/functional/abandonconflict.py
--- a/test/functional/abandonconflict.py
+++ b/test/functional/abandonconflict.py
@@ -67,7 +67,9 @@
 
         # Create a child tx spending AB1 and C
         inputs = []
+        # Amount 14.99998 BCH
         inputs.append({"txid": txAB1, "vout": nAB})
+        # Amount 10 BCH
         inputs.append({"txid": txC, "vout": nC})
         outputs = {}
         outputs[self.nodes[0].getnewaddress()] = Decimal("24.9996")
@@ -89,16 +91,18 @@
         assert_equal(len(self.nodes[0].getrawmempool()), 0)
         assert_equal(len(self.nodes[1].getrawmempool()), 0)
 
-        # Not in mempool txs from self should only reduce balance
-        # inputs are still spent, but change not received
+        # Transactions which are not in the mempool should only reduce wallet balance.
+        # Transaction inputs should still be spent, but the change not yet received.
         newbalance = self.nodes[0].getbalance()
         assert_equal(newbalance, balance - Decimal("24.9996"))
-        # Unconfirmed received funds that are not in mempool, also shouldn't show
-        # up in unconfirmed balance
+        # Unconfirmed received funds that are not in mempool also shouldn't show
+        # up in unconfirmed balance.  Note that the transactions stored in the wallet
+        # are not necessarily in the node's mempool.
         unconfbalance = self.nodes[0].getunconfirmedbalance(
         ) + self.nodes[0].getbalance()
         assert_equal(unconfbalance, newbalance)
-        # Also shouldn't show up in listunspent
+        # Unconfirmed transactions which are not in the mempool should also
+        # not be in listunspent
         assert(not txABC2 in [utxo["txid"]
                               for utxo in self.nodes[0].listunspent(0)])
         balance = newbalance
@@ -110,28 +114,31 @@
         assert_equal(newbalance, balance + Decimal("30"))
         balance = newbalance
 
-        # Verify that even with a low min relay fee, the tx is not reaccepted from wallet on startup once abandoned
+        # Verify that even with a low min relay fee, the tx is not re-accepted
+        # from wallet on startup once abandoned.
         self.stop_node(0)
         self.start_node(0, extra_args=["-minrelaytxfee=0.00001"])
         assert_equal(len(self.nodes[0].getrawmempool()), 0)
         assert_equal(self.nodes[0].getbalance(), balance)
 
-        # But if its received again then it is unabandoned
-        # And since now in mempool, the change is available
-        # But its child tx remains abandoned
+        # If the transaction is re-sent the wallet also unabandons it.   The
+        # change should be available, and it's child transaction should remain
+        # abandoned.
+        # NOTE: Abandoned transactions are internal to the wallet, and tracked
+        # separately from other indices.
         self.nodes[0].sendrawtransaction(signed["hex"])
         newbalance = self.nodes[0].getbalance()
         assert_equal(newbalance, balance - Decimal("20") + Decimal("14.99998"))
         balance = newbalance
 
-        # Send child tx again so its unabandoned
+        # Send child tx again so it is not longer abandoned.
         self.nodes[0].sendrawtransaction(signed2["hex"])
         newbalance = self.nodes[0].getbalance()
         assert_equal(newbalance, balance - Decimal("10") -
                      Decimal("14.99998") + Decimal("24.9996"))
         balance = newbalance
 
-        # Remove using high relay fee again
+        # Reset to a higher relay fee so that we abandon a transaction
         self.stop_node(0)
         self.start_node(0, extra_args=["-minrelaytxfee=0.0001"])
         assert_equal(len(self.nodes[0].getrawmempool()), 0)
@@ -139,8 +146,8 @@
         assert_equal(newbalance, balance - Decimal("24.9996"))
         balance = newbalance
 
-        # Create a double spend of AB1 by spending again from only A's 10 output
-        # Mine double spend from node 1
+        # Create a double spend of AB1. Spend it again from only A's 10 output.
+        # Mine double spend from node 1.
         inputs = []
         inputs.append({"txid": txA, "vout": nA})
         outputs = {}