@@ 258,7 258,7 @@ Installing goes along these lines:
@enumerate
@item
Download the binary tarball from
-@code{ftp://alpha.gnu.org/gnu/guix/guix-binary-@value{VERSION}.@var{system}.tar.xz}@footnote{As
+@indicateurl{ftp://alpha.gnu.org/gnu/guix/guix-binary-@value{VERSION}.@var{system}.tar.xz}@footnote{As
usual, make sure to download the associated @file{.sig} file and to
verify the authenticity of the tarball against it!}, where @var{system}
is @code{x86_64-linux} for an @code{x86_64} machine already running the
@@ 695,7 695,7 @@ remote procedure call (@pxref{The Store}).
@item --substitute-urls=@var{urls}
Consider @var{urls} the default whitespace-separated list of substitute
-source URLs. When this option is omitted, @code{http://hydra.gnu.org}
+source URLs. When this option is omitted, @indicateurl{http://hydra.gnu.org}
is used.
This means that substitutes may be downloaded from @var{urls}, as long
@@ 3820,7 3820,7 @@ to report issues (and success stories!), and join us in improving it.
@subsection USB Stick Installation
An installation image for USB sticks can be downloaded from
-@code{ftp://alpha.gnu.org/gnu/guix/gsd-usb-install-@value{VERSION}.@var{system}.xz},
+@indicateurl{ftp://alpha.gnu.org/gnu/guix/gsd-usb-install-@value{VERSION}.@var{system}.xz},
where @var{system} is one of:
@table @code