diff --git a/content/docs/releases/v17/17-3.mdx b/content/docs/releases/v17/17-3.mdx
index 383c9aa916e..1168854fb96 100644
--- a/content/docs/releases/v17/17-3.mdx
+++ b/content/docs/releases/v17/17-3.mdx
@@ -646,6 +646,9 @@ reached by that run.
   **nine** of the items on this page were live and unaddressed on that stack. Its
   scope is the protocol chain; everything else on this list is outside it. (It
   also prints `runtime 17.0.0` on a 17.3.0 install.)
+  **Correction (2026-10-01):** from 17.4.0 the parenthetical on the `Chain:`
+  line reads `(this runtime implements protocol 17)`; `(runtime 17.0.0)` was
+  the 17.3.0 output. See #15585 (the human-readable line landed in #16058).
 
 **Metadata and build — run `os validate` before you ship**