diff --git a/Lib/test/string_tests.py b/Lib/test/string_tests.py
index e363e3f2a3b..3a5fbfefb58 100644
--- a/Lib/test/string_tests.py
+++ b/Lib/test/string_tests.py
@@ -383,8 +383,8 @@ class CommonTest(unittest.TestCase):
 
         #EQ("A", "", "replace", "", "A")
         # That was the correct result; this is the result we actually get
-        # now:
-        EQ("", "", "replace", "", "A")
+        # now (for str, but not for unicode):
+        #EQ("", "", "replace", "", "A")
 
         EQ("", "", "replace", "A", "")
         EQ("", "", "replace", "A", "A")