doc: add precision on requirements

1 files changed, 10 insertions, 5 deletions

diff --git a/doc/index.html b/doc/index.html
index e5685de..6628bfa 100644
--- a/doc/index.html
+++ b/doc/index.html
@@ -72,11 +72,16 @@ kernel command line </li>
  <li> A Linux-based system with a standard C development environment </li>
  <li> GNU make, version 3.81 or later </li>
  <li> <a href="//skarnet.org/software/skalibs/">skalibs</a> version
-2.9.2.0 or later </li>
+2.9.2.0 or later. It's a build-time requirement. It's also a run-time
+requirement (for <a href="s6-linux-init-maker.html">s6-linux-init-maker</a>)
+as well as a boot-time requirement (i.e. a run-time requirement for the
+programs used when you boot a system created with
+<a href="s6-linux-init-maker.html">s6-linux-init-maker</a>) if you link
+against the shared version of the skalibs library. </li>
  <li> <a href="//skarnet.org/software/execline/">execline</a> version
-2.6.0.0 or later </li>
+2.6.0.0 or later. It is a build-time and boot-time requirement. </li>
  <li> <a href="//skarnet.org/software/s6/">s6</a> version
-2.9.2.0 or later </li>
+2.9.2.0 or later. It is a build-time and boot-time requirement. </li>
 </ul>
 
 <p>
@@ -87,10 +92,10 @@ kernel command line </li>
  <li> If you're using <a href="https://www.musl-libc.org/">musl</a> and
 want nsswitch-like functionality:
 <a href="//skarnet.org/software/nsss/">nsss</a> version
-0.0.2.2 or later </li>
+0.0.2.2 or later (build-time and boot-time) </li>
  <li> If you want secure utmp functionality:
 <a href="//skarnet.org/software/utmps/">utmps</a> version
-0.0.3.2 or later </li>
+0.0.3.2 or later (build-time and boot-time) </li>
 </ul>
 
 <p>