emacs: define notmuch-hello-url as a constant

diff --git a/emacs/notmuch-hello.el b/emacs/notmuch-hello.el
index 69d0ad64e6faa120c8f8895f4b5500f19c851803..003bec33d4c7a3ad549db91acf0d8b347fdd5346 100644 (file)
--- a/emacs/notmuch-hello.el
+++ b/emacs/notmuch-hello.el
@@ -282,7 +282,7 @@ International Bureau of Weights and Measures."
   :group 'notmuch-hello
   :group 'notmuch-hooks)
 
-(defvar notmuch-hello-url "https://notmuchmail.org"
+(defconst notmuch-hello-url "https://notmuchmail.org"
   "The `notmuch' web site.")
 
 (defvar notmuch-hello-custom-section-options