diff --git a/README.md b/README.md
index 86267bd..419c1c8 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 version 0.1.0
-  Todo:
-    [WORKING] use MCTS for planning
+### TODO:
+  [WORKING] build MCTS() for planning
+  [] executeplan() to execute the plan
 
-  Change from version: 0.0.9
-    - 
\ No newline at end of file
+### Change from version: 0.0.9
+   
\ No newline at end of file
diff --git a/src/interface.jl b/src/interface.jl
index 66edafd..fb5b4c9 100644
--- a/src/interface.jl
+++ b/src/interface.jl
@@ -84,8 +84,12 @@ using ..type, ..util, ..llmfunction
 
   Signature\n
   -----
-""" #[] update document
+"""
 function conversation(a::T) where {T<:agent}
+  """
+  [] update document
+  [] MCTS() for planning
+  """
   while true
     # check for incoming user message
     if isready(a.receiveUserMsgChannel)