diff --git a/src/eth_client/libdevcrypto/Common.h b/src/eth_client/libdevcrypto/Common.h
index fa6c87b256..0abedd2171 100644
--- a/src/eth_client/libdevcrypto/Common.h
+++ b/src/eth_client/libdevcrypto/Common.h
@@ -113,7 +113,7 @@ inline bytesSec decryptSymNoAuth(SecureFixedHash<32> const& _k, h128 const& _iv,
 /// Recovers Public key from signed message hash.
 Public recover(Signature const& _sig, h256 const& _hash);
     
-/// Returns siganture of message hash.
+/// Returns signature of message hash.
 Signature sign(Secret const& _k, h256 const& _hash);
     
 /// Verify signature.
diff --git a/src/eth_client/libethereum/ExtVM.cpp b/src/eth_client/libethereum/ExtVM.cpp
index 5c977cea13..12abb167a8 100644
--- a/src/eth_client/libethereum/ExtVM.cpp
+++ b/src/eth_client/libethereum/ExtVM.cpp
@@ -36,7 +36,7 @@ static unsigned const c_offloadPoint = (c_defaultStackSize - c_entryOverhead) /
 
 void goOnOffloadedStack(Executive& _e, OnOpFunc const& _onOp)
 {
-    // Set new stack size enouth to handle the rest of the calls up to the limit.
+    // Set new stack size enough to handle the rest of the calls up to the limit.
     boost::thread::attributes attrs;
     attrs.set_stack_size((c_depthLimit - c_offloadPoint) * c_singleExecutionStackSize);
 
diff --git a/src/minisketch/src/sketch_impl.h b/src/minisketch/src/sketch_impl.h
index 4547b742f2..e9f18a9b87 100644
--- a/src/minisketch/src/sketch_impl.h
+++ b/src/minisketch/src/sketch_impl.h
@@ -217,7 +217,7 @@ bool RecFindRoots(std::vector<std::vector<typename F::Elem>>& stack, size_t pos,
         }
 
         if (fully_factorizable) {
-            // Every succesful iteration of this algorithm splits the input
+            // Every successful iteration of this algorithm splits the input
             // polynomial further into buckets, each corresponding to a subset
             // of 2^(BITS-depth) roots. If after depth splits the degree of
             // the polynomial is >= 2^(BITS-depth), something is wrong.
diff --git a/src/node/miner.cpp b/src/node/miner.cpp
index 3ad173e40b..6734fdb2b8 100644
--- a/src/node/miner.cpp
+++ b/src/node/miner.cpp
@@ -1960,7 +1960,7 @@ class StakeMiner : public IStakeMiner
                 }
                 if (d->pblockfilled->GetBlockTime() > FutureDrift(GetAdjustedTimeSeconds(), d->nHeight, d->consensusParams)) {
                     if (d->fAggressiveStaking) {
-                        //if being agressive, then check more often to publish immediately when valid. This might allow you to find more blocks,
+                        //if being aggressive, then check more often to publish immediately when valid. This might allow you to find more blocks,
                         //but also increases the chance of broadcasting invalid blocks and getting DoS banned by nodes,
                         //or receiving more stale/orphan blocks than normal. Use at your own risk.
                         if(!Sleep(100)) break;
diff --git a/src/pos.cpp b/src/pos.cpp
index ba1b37ef9c..52e46ba839 100644
--- a/src/pos.cpp
+++ b/src/pos.cpp
@@ -727,7 +727,7 @@ bool GetMPoSOutputs(std::vector<CTxOut>& mposOutputList, int64_t nRewardPiece, i
             int64_t nRewardDelegate, nRewardStaker;
             if(!SplitOfflineStakeReward(nRewardPiece, blockScript.fee, nRewardDelegate, nRewardStaker))
             {
-                LogPrint(BCLog::COINSTAKE, "Fail to to split the offline staking reward\n");
+                LogPrint(BCLog::COINSTAKE, "Fail to split the offline staking reward\n");
                 return false;
             }