scratch/package-vc-fixes 0863046d05 1/3: Clarify 'package-vc-selected-packages' docstring

[Philip Kaludercic]

branch: scratch/package-vc-fixes
commit 0863046d05757695385837d33bd201cff4e3ea0d
Author: Philip Kaludercic <philipk@posteo.net>
Commit: Philip Kaludercic <philipk@posteo.net>

    Clarify 'package-vc-selected-packages' docstring
    
    * lisp/emacs-lisp/package-vc.el (package-vc-selected-packages): Add
    explanation that the value won't override an existing source package
    installation.
---
 lisp/emacs-lisp/package-vc.el | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lisp/emacs-lisp/package-vc.el b/lisp/emacs-lisp/package-vc.el
index a50f7fbda9..97dd8b4b5f 100644
--- a/lisp/emacs-lisp/package-vc.el
+++ b/lisp/emacs-lisp/package-vc.el
@@ -169,7 +169,10 @@ is a symbol designating the package and SPEC is one of:
 This user option differs from `package-selected-packages' in that
 it is meant to be specified manually.  If you want to install all
 the packages in the list, you cal also use
-`package-vc-install-selected-packages'."
+`package-vc-install-selected-packages'.
+
+Note that this option will not override an existing source
+package installation or revert the checked out revision."
   :type '(alist :tag "List of packages you want to be installed"
                 :key-type (symbol :tag "Package")
                 :value-type