Add entry on the installkernel changes as well as more grumpy notes

about needing to be on -current to track -current.  Tweak the 4.0 ->
4.x version stuff.

UPDATING

@@ -5,6 +5,15 @@ directly to him.  See end of file for further details.  For commonly
 done items, please see the end of the file.  Search for 'COMMON
 ITEMS:'
 
+20000728:
+	The "installkernel" target has changed slightly. Now even if
+	you override KERNEL e.g. 'make installkernel KERNEL=MYKERNEL'
+	it will install the MYKERNEL file (built with the buildkernel
+	target) as /kernel rather than /MYKERNEL. Those who have
+	updated their /boot/loader.conf files to point to /MYKERNEL
+	should remove that entry or perform manual rename of /kernel
+	to /MYKERNEL.
+
 20000711:
 	If you use CVSUP or CTM to get CVS trees, AND you used to get 
 	the old crypto files from internat.freebsd.org AND you check
@@ -31,6 +40,8 @@ ITEMS:'
 	lots of crypto tools (like SSH)) will fail with strange
 	errors. (see below, 20000624).
 
+	FreESBD-current is safe again to run Crypto.
+
 20000709:
 	phk made the malloc default options AJ.  This may slow things
 	down and uncover other latent bugs in the code.  If you need to
@@ -215,7 +226,7 @@ COMMON ITEMS:
 	---------------------
 	make world
 
-	To upgrade from 4.0-stable to current
+	To upgrade from 4.x-stable to current
 	-------------------------------------
 	make buildworld
 	make buildkernel KERNEL=YOUR_KERNEL_HERE
@@ -228,6 +239,12 @@ COMMON ITEMS:
 	life cycloe of current, things change often and you are on
 	your own to cope.
 
+	Also, if you are tracking -current, you must be subscribed to
+	freebsd-current@freebsd.org.  Make sure that before you update
+	your sources that you have read and understood all the recent
+	messages there.  If in doubt, please track -stable which has
+	much fewer pitfalls.
+
 FORMAT:
 
 This file contains a list, in reverse chronologocal order, of major