1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/international/mule-diag.el b/lisp/international/mule-diag.el
index 24022b7651e..62dff39a667 100644
--- a/lisp/international/mule-diag.el
+++ b/lisp/international/mule-diag.el
@@ -263,7 +263,7 @@ at the place of `..':
   (let* ((proc (get-buffer-process (current-buffer)))
          (process-coding-systems (if proc (process-coding-system proc))))
     (message
-     "F[%c%c],K[%c%c],T[%c%c],P>[%c%c],P<[%c%c], default F[%c%c],P>[%c%c],P<[%c%c]"
+     "F[%c%s],K[%c%s],T[%c%s],P>[%c%s],P<[%c%s], default F[%c%s],P>[%c%s],P<[%c%s]"
      (coding-system-mnemonic buffer-file-coding-system)
      (coding-system-eol-type-mnemonic buffer-file-coding-system)
      (coding-system-mnemonic (keyboard-coding-system))