diff --git a/doc/guix.texi b/doc/guix.texi
index 20f007b1c0..af85d5c2a0 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -22719,9 +22719,9 @@ Logging level.
 This service type adds a list of known Facebook hosts to the
 @file{/etc/hosts} file.
 (@pxref{Host Names,,, libc, The GNU C Library Reference Manual})
-Each line contains a entry that maps a known server name of the Facebook
-on-line service---e.g., @code{www.facebook.com}---to the local
-host---@code{127.0.0.1} or its IPv6 equivalent, @code{::1}.
+Each line contains an entry that maps a known server name of the Facebook
+on-line service---e.g., @code{www.facebook.com}---to unroutable IPv4 and
+IPv6 addresses.
 
 This mechanism can prevent programs running locally, such as Web
 browsers, from accessing Facebook.