diff --git a/sites/watch.whaletvplus.com/readme.md b/sites/watch.whaletvplus.com/readme.md
index 8c23a926..bc084e5e 100644
--- a/sites/watch.whaletvplus.com/readme.md
+++ b/sites/watch.whaletvplus.com/readme.md
@@ -19,3 +19,13 @@ npm run channels:parse --- --config=./sites/watch.whaletvplus.com/watch.whaletvp
 ```sh
 npm test --- watch.whaletvplus.com
 ```
+
+### Fix `apiToken invalid or expired. Please update config.`
+
+The `apiToken` rarely changes, but if it does:
+1. Go to https://watch.whaletvplus.com
+2. Open Developer Tools (press `F12` or right-click and select **Inspect**).
+3. Select the **Network** tab.
+4. Refresh the page.
+5. In the "Filter" box, type `apiToken`.
+6. Click on any request found and copy the `apiToken` value from the request URL.
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