diff --git a/src/type.jl b/src/type.jl
index 478f89c..2869885 100644
--- a/src/type.jl
+++ b/src/type.jl
@@ -154,7 +154,7 @@ function sommelier(
   return newAgent
 end
 
-""" Clear agent history.
+""" Clear agent chat history.
 
   Arguments\n
   -----
@@ -194,7 +194,7 @@ end
 
   Signature\n
   -----
-""" #TODO update document
+"""
 function clearhistory(a::T)  where {T<:agent}
   empty!(a.chathistory)
   empty!(a.mctstree)