1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/server.el b/lisp/server.el
index bcadcc4317a..5a8afb42984 100644
--- a/lisp/server.el
+++ b/lisp/server.el
@@ -574,7 +574,7 @@ If the key is not valid, signal an error."
   (if server-auth-key
     (if (string-match-p "^[!-~]\\{64\\}$" server-auth-key)
         server-auth-key
-      (error "The key '%s' is invalid" server-auth-key))
+      (error "The key ‘%s’ is invalid" server-auth-key))
     (server-generate-key)))
 
 ;;;###autoload