diff --git a/docs/my-website/docs/proxy/config_settings.md b/docs/my-website/docs/proxy/config_settings.md
index b13692c86a2..ac554b09174 100644
--- a/docs/my-website/docs/proxy/config_settings.md
+++ b/docs/my-website/docs/proxy/config_settings.md
@@ -520,6 +520,7 @@ router_settings:
 | DEBUG_OTEL | Enable debug mode for OpenTelemetry
 | DEFAULT_ALLOWED_FAILS | Maximum failures allowed before cooling down a model. Default is 3
 | DEFAULT_A2A_AGENT_TIMEOUT | Default timeout in seconds for A2A (Agent-to-Agent) protocol requests. Default is 6000
+| DEFAULT_ACCESS_GROUP_CACHE_TTL | Time-to-live in seconds for cached access group information. Default is 600 (10 minutes)
 | DEFAULT_ANTHROPIC_CHAT_MAX_TOKENS | Default maximum tokens for Anthropic chat completions. Default is 4096
 | DEFAULT_BATCH_SIZE | Default batch size for operations. Default is 512
 | DEFAULT_CHUNK_OVERLAP | Default chunk overlap for RAG text splitters. Default is 200