Merge bitcoin/bitcoin#31673: doc: fix minor typos in comments

b30cc71e85 doc: fix typos (Adlai Chandrasekhar)

Pull request description:

  In the unrelated PR #31621 the linter reported a few typos, that are fixed in this commit. I used the "doc" prefix as it only modifies comments, so none of the more significant prefixes seem appropriate.

ACKs for top commit:
  maflcko:
    lgtm ACK b30cc71e85

Tree-SHA512: 7bba2d928fc0b98f62f96d9abf6dba98f699b386b75730271fa3e7b57a8a220df2265b699007f066e585e1db2ee3cbe5a272b74a8c153f6f8814c01e6de7a3ee

src/test/miner_tests.cpp

@@ -705,7 +705,7 @@ BOOST_AUTO_TEST_CASE(CreateNewBlock_validity)
         {
             LOCK(cs_main);
             // The above calls don't guarantee the tip is actually updated, so
-            // we explictly check this.
+            // we explicitly check this.
             auto maybe_new_tip{Assert(m_node.chainman)->ActiveChain().Tip()};
             BOOST_REQUIRE_EQUAL(maybe_new_tip->GetBlockHash(), block.GetHash());
         }

src/txorphanage.cpp

@@ -111,7 +111,7 @@ void TxOrphanage::EraseForPeer(NodeId peer)
         if (orphan_it != orphan.announcers.end()) {
             orphan.announcers.erase(peer);
 
-            // No remaining annnouncers: clean up entry
+            // No remaining announcers: clean up entry
             if (orphan.announcers.empty()) {
                 nErased += EraseTx(orphan.tx->GetWitnessHash());
             }

test/functional/wallet_encryption.py

@@ -158,7 +158,7 @@ class WalletEncryptionTest(BitcoinTestFramework):
             dumpfile_path = self.nodes[0].datadir_path / "noprivs_enc.dump"
             do_wallet_tool("-wallet=noprivs_enc", f"-dumpfile={dumpfile_path}", "dump")
             with open(dumpfile_path, "r", encoding="utf-8") as f:
-                # Check theres nothing with an 'mkey' prefix
+                # Check there's nothing with an 'mkey' prefix
                 assert_equal(all([not line.startswith("046d6b6579") for line in f]), True)