1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/progmodes/ruby-mode.el b/lisp/progmodes/ruby-mode.el
index 28c44307ff2..0e507b82115 100644
--- a/lisp/progmodes/ruby-mode.el
+++ b/lisp/progmodes/ruby-mode.el
@@ -272,7 +272,7 @@ even if it's not required."
           (const :tag "Custom Style" custom))
   :group 'ruby)
 
-(defcustom ruby-custom-encoding-magic-comment-template "# coding: %s"
+(defcustom ruby-custom-encoding-magic-comment-template "# encoding: %s"
   "The encoding comment template to be used when
 `ruby-encoding-magic-comment-style' is set to `custom'."
   :type 'string