diff --git a/documentation/7-retry.md b/documentation/7-retry.md
index e36ceb432..166ea54ce 100644
--- a/documentation/7-retry.md
+++ b/documentation/7-retry.md
@@ -77,6 +77,9 @@ The allowed methods to retry on.
 
 **Type: `number[]`**
 
+**Note:**
+> - Only [**unsuccessful**](8-errors.md#) requests are retried. In order to retry successful requests, use an [`afterResponse`](9-hooks.md#afterresponse) hook.
+
 The allowed [HTTP status codes](https://developer.mozilla.org/en-US/docs/Web/HTTP/Status) to retry on.
 
 #### `errorCodes`
diff --git a/documentation/8-errors.md b/documentation/8-errors.md
index c338eafea..94ee628f6 100644
--- a/documentation/8-errors.md
+++ b/documentation/8-errors.md
@@ -56,7 +56,14 @@ When the request body is a stream and an error occurs while reading from that st
 
 **Code: `ERR_NON_2XX_3XX_RESPONSE`**
 
-When the server response code is not 2xx nor 3xx if [`options.followRedirect`](2-options.md#followredirect) is `true`, but always except for 304. Includes a `response` property.
+When the request is unsuccessful.
+
+A request is successful when the status code of the final request is `2xx` or `3xx`.
+
+When [following redirects](2-options.md#followredirect), a request is successful **only** when the status code of the final request is `2xx`.
+
+**Note:**
+> - `304` responses are always considered successful.
 
 ### `MaxRedirectsError`