diff --git a/src/main.cpp b/src/main.cpp
index 1bc02c0943..bdb085bbd1 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -803,10 +803,10 @@ bool CheckSequenceLocks(const CTransaction &tx, int flags)
     index.pprev = tip;
     // CheckSequenceLocks() uses chainActive.Height()+1 to evaluate
     // height based locks because when SequenceLocks() is called within
-    // CBlock::AcceptBlock(), the height of the block *being*
-    // evaluated is what is used. Thus if we want to know if a
-    // transaction can be part of the *next* block, we need to call
-    // SequenceLocks() with one more than chainActive.Height().
+    // ConnectBlock(), the height of the block *being*
+    // evaluated is what is used.
+    // Thus if we want to know if a transaction can be part of the
+    // *next* block, we need to use one more than chainActive.Height()
     index.nHeight = tip->nHeight + 1;
 
     // pcoinsTip contains the UTXO set for chainActive.Tip()
@@ -2221,7 +2221,7 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
             }
 
             if (!SequenceLocks(tx, nLockTimeFlags, &prevheights, *pindex)) {
-                return state.DoS(100, error("ConnectBlock(): contains a non-BIP68-final transaction", __func__),
+                return state.DoS(100, error("%s: contains a non-BIP68-final transaction", __func__),
                                  REJECT_INVALID, "bad-txns-nonfinal");
             }
 
diff --git a/src/main.h b/src/main.h
index ed02a2e71d..93e58988cf 100644
--- a/src/main.h
+++ b/src/main.h
@@ -362,7 +362,7 @@ bool SequenceLocks(const CTransaction &tx, int flags, std::vector<int>* prevHeig
 /**
  * Check if transaction will be BIP 68 final in the next block to be created.
  *
- * Calls SequenceLocks() with data from the tip of the current active chain.
+ * Simulates calling SequenceLocks() with data from the tip of the current active chain.
  *
  * See consensus/consensus.h for flag definitions.
  */
diff --git a/src/policy/policy.h b/src/policy/policy.h
index 746775f566..aabeebb25d 100644
--- a/src/policy/policy.h
+++ b/src/policy/policy.h
@@ -45,7 +45,7 @@ static const unsigned int STANDARD_SCRIPT_VERIFY_FLAGS = MANDATORY_SCRIPT_VERIFY
 /** For convenience, standard but not mandatory verify flags. */
 static const unsigned int STANDARD_NOT_MANDATORY_VERIFY_FLAGS = STANDARD_SCRIPT_VERIFY_FLAGS & ~MANDATORY_SCRIPT_VERIFY_FLAGS;
 
-/** Used as the flags parameter to LockTime() in non-consensus code. */
+/** Used as the flags parameter to sequence and nLocktime checks in non-consensus code. */
 static const unsigned int STANDARD_LOCKTIME_VERIFY_FLAGS = LOCKTIME_VERIFY_SEQUENCE |
                                                            LOCKTIME_MEDIAN_TIME_PAST;