Update tool_config.json

tool_config.json

@@ -1,5 +1,5 @@
 {
-  "description": "This is a tool that creates a random character. It takes an input named `prompt`. It returns a character as json text message.",
+  "description": "This tool generates a random character based on an input. Returns json.",
   "name": "random_charactor_generator",
   "tool_class": "random_charactor_generator.RandomCharatorGeneratorTool"
 }