diff --git a/txt/.gitignore b/txt/.gitignore
index 1053c0d..a6f3701 100644
--- a/txt/.gitignore
+++ b/txt/.gitignore
@@ -1 +1,3 @@
+# I don't think .asc is so widely recognised and what I do always is
+# `git mv whatever.txt.asc whatever.txt` anyway.
 *.asc