diff --git a/src/PIL/ImageFont.py b/src/PIL/ImageFont.py
index 25320d43d..a61a32c25 100644
--- a/src/PIL/ImageFont.py
+++ b/src/PIL/ImageFont.py
@@ -259,7 +259,8 @@ class FreeTypeFont:
 
         :return: (width, height)
         """
-        # vertical offset is added for historical reasons, see discussion in #4789
+        # vertical offset is added for historical reasons
+        # see https://github.com/python-pillow/Pillow/pull/4910#discussion_r486682929
         size, offset = self.font.getsize(text, False, direction, features, language)
         return (
             size[0] + stroke_width * 2,