diff --git a/.appveyor.yml b/.appveyor.yml
index e3d6be670..d4e496084 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -75,6 +75,7 @@ install:
 build_script:
 - stack build --test --copy-bins --local-bin-path=. hledger hledger-web
 
+# https://sevenzip.osdn.jp/chm/cmdline
 - 7z a hledger.zip hledger.exe hledger-web.exe
 
 # or use hledger-install ?