diff --git a/Lib/encodings/aliases.py b/Lib/encodings/aliases.py
index 0594171c09f..d9a1fc2d8c1 100644
--- a/Lib/encodings/aliases.py
+++ b/Lib/encodings/aliases.py
@@ -238,7 +238,7 @@ aliases = {
     'iso2022jp_2'        : 'iso2022_jp_2',
     'iso_2022_jp_2'      : 'iso2022_jp_2',
 
-    # iso_3022_jp_3 codec
+    # iso2022_jp_3 codec
     'iso2022jp_3'        : 'iso2022_jp_3',
     'iso_2022_jp_3'      : 'iso2022_jp_3',