diff --git a/python/ray/data/context.py b/python/ray/data/context.py
index 2280a18f9a44..3d9e745e148d 100644
--- a/python/ray/data/context.py
+++ b/python/ray/data/context.py
@@ -102,6 +102,8 @@
 DEFAULT_ENABLE_GET_OBJECT_LOCATIONS_FOR_METRICS = False
 
 
+# `write_file_retry_on_errors` is deprecated in favor of `retried_io_errors`. You
+# shouldn't need to modify `DEFAULT_WRITE_FILE_RETRY_ON_ERRORS`.
 DEFAULT_WRITE_FILE_RETRY_ON_ERRORS = (
     "AWS Error INTERNAL_FAILURE",
     "AWS Error NETWORK_CONNECTION",
@@ -114,6 +116,7 @@
     "AWS Error NETWORK_CONNECTION",
     "AWS Error SLOW_DOWN",
     "AWS Error UNKNOWN (HTTP status 503)",
+    "AWS Error SERVICE_UNAVAILABLE",
 )
 
 DEFAULT_WARN_ON_DRIVER_MEMORY_USAGE_BYTES = 2 * 1024 * 1024 * 1024