core/types: fixed typo (#21897)

core/types/transaction.go

@@ -213,7 +213,7 @@ func (tx *Transaction) Hash() common.Hash {
 }
 
 // Size returns the true RLP encoded storage size of the transaction, either by
-// encoding and returning it, or returning a previsouly cached value.
+// encoding and returning it, or returning a previously cached value.
 func (tx *Transaction) Size() common.StorageSize {
 	if size := tx.size.Load(); size != nil {
 		return size.(common.StorageSize)