diff --git a/internal/util/sessionutil/session_util.go b/internal/util/sessionutil/session_util.go
index 52a13020b4..20759c5231 100644
--- a/internal/util/sessionutil/session_util.go
+++ b/internal/util/sessionutil/session_util.go
@@ -345,7 +345,7 @@ func (w *sessionWatcher) start() {
 // revision is a etcd reversion to prevent missing key events and can be obtained
 // in GetSessions.
 // If a server up, an event will be add to channel with eventType SessionAddType.
-// If a server down, a event will be add to channel with eventType SessionDelType.
+// If a server down, an event will be add to channel with eventType SessionDelType.
 func (s *Session) WatchServices(prefix string, revision int64, rewatch Rewatch) (eventChannel <-chan *SessionEvent) {
 	w := &sessionWatcher{
 		s:       s,
diff --git a/tests/python_client/testcases/test_utility.py b/tests/python_client/testcases/test_utility.py
index 2802898db0..5b0c91c078 100644
--- a/tests/python_client/testcases/test_utility.py
+++ b/tests/python_client/testcases/test_utility.py
@@ -799,7 +799,7 @@ class TestUtilityBase(TestcaseBase):
     @pytest.mark.tag(CaseLabel.L2)
     def test_loading_progress_empty_collection(self):
         """
-        target: test loading_progress on a empty collection
+        target: test loading_progress on an empty collection
         method: 1.create collection and no insert 2.loading_progress
         expected: 0 entities is loaded
         """