diff --git a/gnu/packages/emacs-xyz.scm b/gnu/packages/emacs-xyz.scm
index 094560d6fb..3c1d322db3 100644
--- a/gnu/packages/emacs-xyz.scm
+++ b/gnu/packages/emacs-xyz.scm
@@ -31961,9 +31961,9 @@ (define-public emacs-vundo
                 "032aqcqq2xhh12qcpp8p3qldv0r9cnqr2y11jk1m5cvgal1cbb68"))))
     (build-system emacs-build-system)
     (home-page "https://github.com/casouri/vundo")
-    (synopsis " Visualize the undo tree.")
+    (synopsis "Visualize the undo tree")
     (description
      "Vundo (visual undo) displays the undo history as a tree and lets you move in the
-tree to go back to previous buffer states.  To use vundo, type M-x vundo RET in
+tree to go back to previous buffer states.  To use vundo, type @kbd{M-x vundo RET} in
 the buffer you want to undo.  An undo tree buffer should pop up.")
     (license license:gpl3+)))