diff --git a/README.md b/README.md
index 3adcdc0..7bde160 100644
--- a/README.md
+++ b/README.md
@@ -328,7 +328,9 @@ esac
 does not have methods for yet (`/api/agent/research_project`, `/api/agent/unknowns`) are read
 through the SDK's public `client.get()`. The CLI computes nothing of its own: activity status,
 research level, verification and every other state are HEY's, decided by HEY's private quality
-gate and relayed with their source. Public API docs: <https://heyresearch.xyz/docs/public-api>.
+gate and relayed with their source. Public API docs: <https://heyresearch.xyz/docs/public-api>; dated
+changes to the API, such as a field whose meaning changed: <https://heyresearch.xyz/developers/changelog>
+(RSS: <https://heyresearch.xyz/developers/changelog/feed.xml>).
 The hosted MCP server (<https://heyresearch.xyz/mcp>) serves the same answers to agents.
 
 ## What it does NOT prove