diff --git a/doc/misc/efaq.texi b/doc/misc/efaq.texi
index eb38112be1b..dfdadd3d22f 100644
--- a/doc/misc/efaq.texi
+++ b/doc/misc/efaq.texi
@@ -942,6 +942,13 @@ Emacs has been ported to the Android operating system.  See the file
 @file{java/INSTALL} in the Emacs source distribution for details on how
 to build it.
 
+@item
+New user option @code{trusted-contents} to allow potentially dangerous
+Emacs features which could execute arbitrary Lisp code.  Use this
+variable to list files and directories whose contents Emacs should
+trust, thus allowing those potentially dangerous features when those
+files are visited.
+
 @item
 Numerous performance improvements, for example in parsing JSON, reading
 data from subprocesses, handling output from Eshell and in Shell mode, X