When mentioning features that don't exist in current releases of
OpenSSL (such as the new undocumented '-prexit' option to s_client),
the FAQ should point out that they don't: The FAQ is not just part
of the release, it's current version is also published on the web.
diff --git a/FAQ b/FAQ
index a271e5b..5bcc1b9 100644
--- a/FAQ
+++ b/FAQ
@@ -278,7 +278,8 @@
 
 openssl s_client -connect www.some.host:443 -prexit
 
-if your server only requests certificates on certain URLs then you may need
+[Note: The '-prexit' option appears in OpenSSL 0.9.8.]
+If your server only requests certificates on certain URLs then you may need
 to manually issue an HTTP GET command to get the list when s_client connects:
 
 GET /some/page/needing/a/certificate.html