diff --git a/tests/test_observer.py b/tests/test_observer.py
index 8c6d9bf3..7c8659b1 100644
--- a/tests/test_observer.py
+++ b/tests/test_observer.py
@@ -137,7 +137,7 @@ def mocked_start():
     observer.start()
     assert len(observer.emitters) == 0
 
-    # Re-schduling the watch should work
+    # Re-scheduling the watch should work
     observer.schedule(None, '')
     assert len(observer.emitters) == 1