improve comment

Author: ThomasWaldmann

src/borg/testsuite/archiver.py

@@ -1618,11 +1618,11 @@ def test_info(self):
         assert 'Archive name: test\n' in info_archive
 
     def test_info_and_create_stats(self):
-        # "This archive" deduplicated size shall match for borg info and borg create --stats.
-        # "All archives" deduplicated size shall match for borg info and borg create --stats.
-        # But, even if there is only 1 archive in the repo, the deduplicated size stats for
-        # "All archives" does not match "This archive" due to metadata being accounted for the
-        # repo ("All archives"), but not for the individual archive ("This archive").
+        # "This archive" deduplicated size should match between `borg info` and `borg create --stats`.
+        # "All archives" deduplicated size should match between `borg info` and `borg create --stats`.
+        # However, even if there is only one archive in the repo, the deduplicated-size stats for
+        # "All archives" do not match those for "This archive" because metadata is accounted for at the
+        # repository level ("All archives"), but not for an individual archive ("This archive").
         data = b'Z' * (1024 * 80)
         self.create_regular_file('file1', contents=data)
         self.create_regular_file('file2', contents=data)