diff --git a/Tests/test_file_gif.py b/Tests/test_file_gif.py
index 1704c76a5d1..a4d021f58a1 100644
--- a/Tests/test_file_gif.py
+++ b/Tests/test_file_gif.py
@@ -525,7 +525,7 @@ def test_totally_identical_frames(self):
         )
         reread = Image.open(out)
 
-        # Assert that the first three frames were combined
+        # Assert that all four frames were combined
         self.assertEqual(reread.n_frames, 1)
 
         # Assert that the new duration is the total of the identical frames