diff --git a/Documentation/00-INDEX b/Documentation/00-INDEX
index edef85c..50f99ea 100644
--- a/Documentation/00-INDEX
+++ b/Documentation/00-INDEX
@@ -290,6 +290,8 @@
 	- directory with info on using Linux with the PowerPC.
 preempt-locking.txt
 	- info on locking under a preemptive kernel.
+printk-formats.txt
+	- how to get printk format specifiers right
 prio_tree.txt
 	- info on radix-priority-search-tree use for indexing vmas.
 ramdisk.txt