diff --git a/server.py b/server.py
index 5c2f00a..b2be997 100644
--- a/server.py
+++ b/server.py
@@ -164,13 +164,21 @@ def list_vault(
 
     Args:
         vault_name: Name of the vault (subdirectory name under vaults root)
-        path: Relative path within the vault. Empty string = vault root.
+        path: Subfolder inside the vault. Omit or pass "" for vault root.
+            NOT the vault name — that's vault_name. Examples:
+            "" or omit = vault root, "NPCs" = vault/NPCs/, "NPCs/Hostile" = deeper.
         recursive: If True, list all nested contents recursively.
         include_files: Include files in results (default True).
         include_directories: Include directories in results (default True).
         file_extensions: Optional filter — only return files with these extensions
             (e.g. ['.md', '.canvas']). Case-insensitive.
 
+    Usage:
+        list_vault("obsidian-skt")              → root listing
+        list_vault("obsidian-skt", "")          → same, explicit
+        list_vault("obsidian-skt", "NPCs")       → subfolder
+        list_vault("obsidian-skt", "", True)     → recursive from root
+
     Returns:
         directories: list of subdirectory info dicts
         files: list of file info dicts (name, path, type, size, modified)