diff --git a/src/anthropic/_base_client.py b/src/anthropic/_base_client.py
index 02122c53..303407d9 100644
--- a/src/anthropic/_base_client.py
+++ b/src/anthropic/_base_client.py
@@ -735,7 +735,7 @@ def _calculate_nonstreaming_timeout(self, max_tokens: int, max_nonstreaming_toke
         if expected_time > default_time or (max_nonstreaming_tokens and max_tokens > max_nonstreaming_tokens):
             raise ValueError(
                 "Streaming is required for operations that may take longer than 10 minutes. "
-                + "See https://github.com/anthropics/anthropic-sdk-python#long-requests for more details",
+                + "See https://docs.anthropic.com/en/api/errors#long-requests for more details",
             )
         return Timeout(
             default_time,