various typos

1 files changed, 3 insertions, 3 deletions

diff --git a/src/main.cpp b/src/main.cpp
index 3a07190a62..64c67ff0f6 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1174,7 +1174,7 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C
                 // nSequence >= maxint-1 on all inputs.
                 //
                 // maxint-1 is picked to still allow use of nLockTime by
-                // non-replacable transactions. All inputs rather than just one
+                // non-replaceable transactions. All inputs rather than just one
                 // is for the sake of multi-party protocols, where we don't
                 // want a single party to be able to disable replacement.
                 //
@@ -1988,7 +1988,7 @@ bool CheckInputs(const CTransaction& tx, CValidationState &state, const CCoinsVi
         // is safe because block merkle hashes are still computed and checked,
         // and any change will be caught at the next checkpoint. Of course, if
         // the checkpoint is for a chain that's invalid due to false scriptSigs
-        // this optimisation would allow an invalid chain to be accepted.
+        // this optimization would allow an invalid chain to be accepted.
         if (fScriptChecks) {
             for (unsigned int i = 0; i < tx.vin.size(); i++) {
                 const COutPoint &prevout = tx.vin[i].prevout;
@@ -4795,7 +4795,7 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
                     {
                         // If a peer is asking for old blocks, we're almost guaranteed
                         // they wont have a useful mempool to match against a compact block,
-                        // and we dont feel like constructing the object for them, so
+                        // and we don't feel like constructing the object for them, so
                         // instead we respond with the full, non-compact block.
                         if (mi->second->nHeight >= chainActive.Height() - 10) {
                             CBlockHeaderAndShortTxIDs cmpctblock(block);