[doc] improve RBF documentation

Document a few non-obvious things and delete no-longer-relevant comments
(e.g. about taking a lock that we're already holding).
No change in behavior.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/policy/rbf.h b/src/policy/rbf.h
index e8cfb2e643..6031745d8f 100644
--- a/src/policy/rbf.h
+++ b/src/policy/rbf.h
@@ -48,14 +48,14 @@ RBFTransactionState IsRBFOptInEmptyMempool(const CTransaction& tx);
 std::optional<std::string> GetEntriesForConflicts(const CTransaction& tx, CTxMemPool& pool,
                                                   const CTxMemPool::setEntries& iters_conflicting,
                                                   CTxMemPool::setEntries& all_conflicts)
-                                                  EXCLUSIVE_LOCKS_REQUIRED(pool.cs);
+    EXCLUSIVE_LOCKS_REQUIRED(pool.cs);
 
 /** BIP125 Rule #2: "The replacement transaction may only include an unconfirmed input if that input
  * was included in one of the original transactions."
  * @returns error message if Rule #2 is broken, otherwise std::nullopt. */
 std::optional<std::string> HasNoNewUnconfirmed(const CTransaction& tx, const CTxMemPool& pool,
                                                const CTxMemPool::setEntries& iters_conflicting)
-                                               EXCLUSIVE_LOCKS_REQUIRED(pool.cs);
+    EXCLUSIVE_LOCKS_REQUIRED(pool.cs);
 
 /** Check the intersection between two sets of transactions (a set of mempool entries and a set of
  * txids) to make sure they are disjoint.