current line by an @kbd{i} or @kbd{d} command.
@item U
-Mark all package with a newer available version for ``upgrading''
+Mark all package with a newer available version for upgrading
(@code{package-menu-mark-upgrades}). This places an installation mark
on the new available versions, and a deletion mark on the old
installed versions.
@var{version} should be a version string (corresponding to a specific
version of the package), or @code{t} (which means to load any
installed version), or @code{nil} (which means no version; this
-``disables'' the package, preventing it from being loaded). A list
+disables the package, preventing it from being loaded). A list
element can also be the symbol @code{all}, which means to load the
latest installed version of any package not named by the other list
elements. The default value is just @code{'(all)}.