diff --git a/README.md b/README.md
index 7a67118..3a36697 100644
--- a/README.md
+++ b/README.md
@@ -81,6 +81,7 @@ http.rate_limited            Too many requests. Wait a moment and try again.
 net.unreachable              Couldn't reach the server. Check your connection and try again.
 internal.unknown             Something went wrong. Try again.
 {"type":"ai.provider.out_of_credits","title":"Your provider account is out of credits. Add credits and try again.","status":402}
+{"type":"internal.unknown","title":"Something went wrong. Try again.","status":422}
 config.missing
 A required setting is missing: API_KEY.
 ```
diff --git a/examples/try.mjs b/examples/try.mjs
index 64e46fc..206b01c 100644
--- a/examples/try.mjs
+++ b/examples/try.mjs
@@ -24,6 +24,11 @@ console.log(JSON.stringify(body));
 
 // An Error you can throw. Its .message is the code, so logs stay searchable.
 // The sentence comes from describe().
+// Starting from a raw failure, problemFor() classifies it and keeps the
+// observed status — including when the matched code registers several.
+const fromRaw = errors.problemFor({ status: 422 });
+console.log(JSON.stringify(fromRaw));
+
 const err = errors.create("config.missing", { field: "API_KEY" });
 console.log(err.message);
 console.log(errors.describe(err.code, err.params));