diff --git a/src/type.jl b/src/type.jl
index 1432707..58c4457 100644
--- a/src/type.jl
+++ b/src/type.jl
@@ -73,7 +73,7 @@ abstract type agent end
                     tools=tools,
                   )
   ```
-  
+
   Signature\n
   -----
 """ #TODO update document