Merge "docs: note that iid 0 is not a valid iid" into main
diff --git a/docs/reference/synthetic-track-event.md b/docs/reference/synthetic-track-event.md
index e382f87..ff894e9 100644
--- a/docs/reference/synthetic-track-event.md
+++ b/docs/reference/synthetic-track-event.md
@@ -422,6 +422,7 @@
# Creates a mapping from the iid "1" to the string name: any |name_iid| field
# in this packet onwards will transparently be remapped to this string by trace
# processor.
+ # Note: iid 0 is *not* a valid IID and should not be used.
event_names {
iid: 1
name: "A very very very long slice name which we don't want to repeat"
