claudetool: make it easier to parameterize patch tool
diff --git a/claudetool/bash.go b/claudetool/bash.go
index 5c1eee0..72c4ecc 100644
--- a/claudetool/bash.go
+++ b/claudetool/bash.go
@@ -25,7 +25,7 @@
 // PermissionCallback is a function type for checking if a command is allowed to run
 type PermissionCallback func(command string) error
 
-// BashTool specifies a llm.Tool for executing shell commands.
+// BashTool specifies an llm.Tool for executing shell commands.
 type BashTool struct {
 	// CheckPermission is called before running any command, if set
 	CheckPermission PermissionCallback