diff --git a/README.md b/README.md
index 13f1916..b0207f3 100644
--- a/README.md
+++ b/README.md
@@ -70,11 +70,11 @@ You can also inspect the cache files directly — they are plain JSON.
 
 ## Troubleshooting
 
-### 429 / "Too Many Requests" or 503 from OpenAlex
+### 503 from OpenAlex
 
-The public IP you are running from has hit OpenAlex's rate limit. Set `OA_API_KEY` and `OA_EMAIL` for higher limits.
+OpenAlex has its rate limit and sends a 503 if exceeded. Set `OA_API_KEY` and `OA_EMAIL` for higher limits.
 
-### Offline mode
+### Offline Mode
 
 If the APIs are unreachable but a cached graph exists, the app returns the cached graph automatically.