Index: head/en_US.ISO8859-1/books/handbook/cutting-edge/chapter.xml
===================================================================
--- head/en_US.ISO8859-1/books/handbook/cutting-edge/chapter.xml
+++ head/en_US.ISO8859-1/books/handbook/cutting-edge/chapter.xml
@@ -297,6 +297,14 @@
applications should be restarted so that the patched version
of the binary is used.
+
+ Usually, the user needs to be prepared to reboot the
+ system. To know if a reboot is required by a kernel update,
+ execute the commands freebsd-version -k
+ and uname -r and if it differs a reboot
+ is required.
+
+
The system can be configured to automatically check for
updates once every day by adding this entry to
/etc/crontab: