kvdb+cmd: fix typos

kvdb/etcd/commit_queue.go

@@ -14,8 +14,8 @@ import (
 // retried. When a new transaction is added to the queue, we first upgrade the
 // read/write counts in the queue's own accounting to decide whether the new
 // transaction has any conflicting dependencies. If the transaction does not
-// conflict with any other, then it is comitted immediately, otherwise it'll be
-// queued up for later exection.
+// conflict with any other, then it is committed immediately, otherwise it'll be
+// queued up for later execution.
 // The algorithm is described in: http://www.cs.umd.edu/~abadi/papers/vll-vldb13.pdf
 type commitQueue struct {
 	ctx       context.Context

kvdb/etcd/readwrite_tx.go

@@ -63,7 +63,7 @@ func (tx *readWriteTx) ForEachBucket(fn func(key []byte) error) error {
 	return root.ForEach(func(key []byte, val []byte) error {
 		if val != nil {
 			// A non-nil value would mean that we have a non
-			// walletdb/kvdb compatibel database containing
+			// walletdb/kvdb compatible database containing
 			// arbitrary key/values.
 			return walletdb.ErrInvalid
 		}