An external package is any installed package that's not built-in and
not from `package-user-dir', which usually means it's from an entry in
`package-directory-list'. They are treated much like built-in
-packages, in that they cannot be through the Package Menu deleted and
+packages, in that they cannot be deleted through the package menu and
are not considered for upgrades.
The effect, is that a user can manually place a specific version of a
-package inside `package-directory-list' and the Package Menu will
+package inside `package-directory-list' and the package menu will
always respect that.
*** If a package is available on multiple archives and one has higher