Index: head/UPDATING
===================================================================
--- head/UPDATING
+++ head/UPDATING
@@ -51,6 +51,14 @@
 
 ****************************** SPECIAL WARNING: ******************************
 
+20170523:
+	The "ino64" 64-bit inode project has been committed, which extends
+	a number of types to 64 bits.  In order to upgrade, carefully follow
+	the full procedure documented below under the heading "To rebuild
+	everything and install it on the current system."  Specifically, a
+	reboot is required after installing the new kernel before installing
+	world.
+
 20170424:
 	The NATM framework including the en(4), fatm(4), hatm(4), and
 	patm(4) devices has been removed.  Consumers should plan a