diff --git a/blockchain/indexers/common.go b/blockchain/indexers/common.go
index 89ce6720b5..47458aff74 100644
--- a/blockchain/indexers/common.go
+++ b/blockchain/indexers/common.go
@@ -52,7 +52,7 @@ type Indexer interface {
 
 	// ConnectBlock is invoked when a new block has been connected to the
 	// main chain. The set of output spent within a block is also passed in
-	// so indexers can access the pevious output scripts input spent if
+	// so indexers can access the previous output scripts input spent if
 	// required.
 	ConnectBlock(database.Tx, *btcutil.Block, []blockchain.SpentTxOut) error
 
diff --git a/btcjson/error.go b/btcjson/error.go
index 66be0214d1..036b07c9cf 100644
--- a/btcjson/error.go
+++ b/btcjson/error.go
@@ -58,7 +58,7 @@ const (
 	// help is missing.
 	ErrMissingDescription
 
-	// ErrNumParams inidcates the number of params supplied do not
+	// ErrNumParams indicates the number of params supplied do not
 	// match the requirements of the associated command.
 	ErrNumParams
 
diff --git a/txscript/standard.go b/txscript/standard.go
index 809a900a2a..f8ca7d4ccd 100644
--- a/txscript/standard.go
+++ b/txscript/standard.go
@@ -1151,7 +1151,7 @@ func ExtractAtomicSwapDataPushes(version uint16, pkScript []byte) (*AtomicSwapDa
 	}
 
 	// At this point, the script appears to be an atomic swap, so populate and
-	// return the extacted data.
+	// return the extracted data.
 	pushes := AtomicSwapDataPushes{
 		SecretSize: template[2].extractedInt,
 		LockTime:   template[11].extractedInt,