diff --git a/Changes.md b/Changes.md
index 215330c..fb7daa8 100644
--- a/Changes.md
+++ b/Changes.md
@@ -1,7 +1,7 @@
 ## 0.0.22 - 2023-04-02
 
 - The `--self-upgrade` option now works on Windows. However, it leaves behind
-  a binary named `ubi-old.exe` that must be deleted manually.
+  a binary named `ubi-old.exe` that must be deleted manually. Addresses #21.
 
 ## 0.0.21 - 2023-03-12