Update TODO

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/SERVER-TODO b/SERVER-TODO
index bc52988..3005383 100644
--- a/SERVER-TODO
+++ b/SERVER-TODO
@@ -1,3 +1,6 @@
-- Better error handling (test it)
+- Bump terse version format:
+	- Add disk stats
+	- Add IOPS
+	- Add clat percentiles
 - Collate ETA output from multiple connections into 1
 - If group_reporting is set, collate final output from multiple connections