Update tool_config.json

tool_config.json

@@ -1,5 +1,5 @@
 {
-  "description": "This is a tool that counts the tokens of a prompt. It takes an input named `prompt` which may contains a system_role, user_message, context and history. It returns the token count of a input.",
+  "description": "This is a tool that embeds prompt of a prompt in a vector store or searches in vaector store. It takes an input named `prompt` which may contains a system_role, user_message, context and history or a text to embed in search vector store. It returns the token count of a input.",
   "name": "token_counter",
   "tool_class": "token_counter.TokenCounterTool"
 }