diff --git a/src/cryptopp/drbg.h b/src/cryptopp/drbg.h
index a146019a1a..ac0dfe7120 100644
--- a/src/cryptopp/drbg.h
+++ b/src/cryptopp/drbg.h
@@ -120,12 +120,12 @@ class NIST_DRBG : public RandomNumberGenerator
 	virtual unsigned int GetMaxNonce() const=0;
 
 	//! \brief Provides the maximum size of a request to GenerateBlock
-	//! \returns The the maximum size of a request to GenerateBlock(), in bytes
+	//! \returns The maximum size of a request to GenerateBlock(), in bytes
 	//! \details The equivalent class constant is <tt>MAXIMUM_BYTES_PER_REQUEST</tt>
 	virtual unsigned int GetMaxBytesPerRequest() const=0;
 
 	//! \brief Provides the maximum number of requests before a reseed
-	//! \returns The the maximum number of requests before a reseed, in bytes
+	//! \returns The maximum number of requests before a reseed, in bytes
 	//! \details The equivalent class constant is <tt>MAXIMUM_REQUESTS_BEFORE_RESEED</tt>.
 	//!   <tt>MAXIMUM_REQUESTS_BEFORE_RESEED</tt> has been reduced from 2<sup>48</sup> to <tt>INT_MAX</tt>
 	//!   to fit the underlying C++ datatype.
diff --git a/src/node/miner.cpp b/src/node/miner.cpp
index 2a20712c6c..a36405ece3 100644
--- a/src/node/miner.cpp
+++ b/src/node/miner.cpp
@@ -1103,10 +1103,10 @@ class MyDelegations : public DelegationFilterBase
                 // Address map
                 std::map<uint160, bool> mapAddress;
 
-                // Get all addreses with coins
+                // Get all addresses with coins
                 SelectAddress(mapAddress, nHeight);
 
-                // Get all addreses for delegations in the GUI
+                // Get all addresses for delegations in the GUI
                 for(auto item : pwallet->mapDelegation)
                 {
                     uint160 address = item.second.delegateAddress;
@@ -1943,7 +1943,7 @@ class StakeMiner : public IStakeMiner
 
         if (SignBlock(d->pblockfilled, *(d->pwallet), d->nTotalFees, blockTime, d->setCoins, d->mapSolveSelectedCoins[blockTime], d->mapSolveDelegateCoins[blockTime], true)) {
             // Should always reach here unless we spent too much time processing transactions and the timestamp is now invalid
-            // CheckStake also does CheckBlock and AcceptBlock to propogate it to the network
+            // CheckStake also does CheckBlock and AcceptBlock to propagate it to the network
             bool validBlock = false;
             while(!validBlock) {
                 if (IsStale(d->pblockfilled)) {
diff --git a/src/rpc/server.cpp b/src/rpc/server.cpp
index 77728b377a..512f6bf52c 100644
--- a/src/rpc/server.cpp
+++ b/src/rpc/server.cpp
@@ -448,7 +448,7 @@ static inline JSONRPCRequest& transformNamedArguments(const JSONRPCRequest& _in,
     }
     // Process expected parameters. If any parameters were left unspecified in
     // the request before a parameter that was specified, null values need to be
-    // inserted at the unspecifed parameter positions, and the "hole" variable
+    // inserted at the unspecified parameter positions, and the "hole" variable
     // below tracks the number of null values that need to be inserted.
     // The "initial_hole_size" variable stores the size of the initial hole,
     // i.e. how many initial positional arguments were left unspecified. This is