chore: fix some typos in comments

rpc/json/types.go

@@ -132,12 +132,12 @@ type StrInt int
 // StrInt64 is an proper int64 or quoted "int64"
 type StrInt64 int64
 
-// UnmarshalJSON parses JSON (int or int qouted as string) into StrInt64
+// UnmarshalJSON parses JSON (int or int quoted as string) into StrInt64
 func (s *StrInt64) UnmarshalJSON(b []byte) error {
 	return unmarshalStrInt64(b, s)
 }
 
-// UnmarshalJSON parses JSON (int or int qouted as string) into StrInt
+// UnmarshalJSON parses JSON (int or int quoted as string) into StrInt
 func (s *StrInt) UnmarshalJSON(b []byte) error {
 	var val StrInt64
 	err := unmarshalStrInt64(b, &val)

rpc/server.go

@@ -56,7 +56,7 @@ func (s *Server) OnStop() {
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()
 	if err := s.server.Shutdown(ctx); err != nil {
-		s.Logger.Error("error while shuting down RPC server", "error", err)
+		s.Logger.Error("error while shutting down RPC server", "error", err)
 	}
 }
 

store/prefix_test.go

@@ -31,7 +31,7 @@ func TestPrefixKV1(t *testing.T) {
 	val12 := []byte("val12")
 	val22 := []byte("val22")
 
-	// set different values in each preffix
+	// set different values in each prefix
 	err := p1.Put(ctx, key1, val11)
 	require.NoError(err)