update readme

Author: tonytrg

README.md

@@ -1100,6 +1100,13 @@ To specify toolsets you want available to the LLM, you can pass an allow-list in
 
 The environment variable `GITHUB_TOOLSETS` takes precedence over the command line argument if both are provided.
 
+The default configuration is:
+- context
+- repos
+- issues
+- pull_requests
+- users
+
 ### Using Toolsets With Docker
 
 When using Docker, you can pass the toolsets as environment variables:

pkg/github/tools.go

@@ -404,7 +404,7 @@ func GenerateToolsetsHelp() string {
 
 	toolsetsHelp := fmt.Sprintf("Comma-separated list of tool groups to enable (no spaces).\n"+
 		"Default: %s\n"+
-		"Available: %s\n", defaultTools, availableTools)+
+		"Available: %s\n", defaultTools, availableTools) +
 		"To enable all tools, use \"all\"."
 	return toolsetsHelp
 }