Improve `use-package-vc-valid-keywords` docstring format

* lisp/use-package/use-package-core.el
(use-package-vc-valid-keywords): Improve docstring format.

(cherry picked from commit 4c6e9f5b0046648cd01da443cab33c30666c978d)

diff --git a/lisp/use-package/use-package-core.el b/lisp/use-package/use-package-core.el
index bb12c3c4f2b22d0fa75edd3bd21f87a44e8a7c5c..dd4efd3831dcef7dd2af31b672b2809ce1e11b82 100644 (file)
--- a/lisp/use-package/use-package-core.el
+++ b/lisp/use-package/use-package-core.el
@@ -1669,8 +1669,8 @@ Also see the Info node `(use-package) Creating an extension'."
 (defconst use-package-vc-valid-keywords
   '( :url :branch :lisp-dir :main-file :vc-backend :rev
      :shell-command :make :ignored-files)
-  "Valid keywords for the `:vc' keyword, see the Info
-node `(emacs)Fetching Package Sources'.")
+  "Valid keywords for the `:vc' keyword.
+See Info node `(emacs)Fetching Package Sources'.")
 
 (defun use-package-normalize--vc-arg (arg)
   "Normalize possible arguments to the `:vc' keyword.