diff --git a/scripts/chat_web.py b/scripts/chat_web.py
index a3945fe..42c01ac 100644
--- a/scripts/chat_web.py
+++ b/scripts/chat_web.py
@@ -26,7 +26,7 @@ Abuse Prevention:
   - Maximum 8000 characters per message
   - Maximum 32000 characters total conversation length
   - Temperature clamped to 0.0-2.0
-  - Top-k clamped to 1-200
+  - Top-k clamped to 0-200 (0 disables top-k filtering, using full vocabulary)
   - Max tokens clamped to 1-4096
 """