fix the main example

Author: reversearrow

cmd/validate/main.go

@@ -82,7 +82,7 @@ If not specified, the default libopenapi regex engine is "re2"".`)
 //
 // Example usage:
 //
-//	validate --regexengine=ecmascript ./my-api-spec.yaml
+//	go run main.go --regexengine=ecmascript ./my-api-spec.yaml
 //
 // If validation passes, the tool logs a success message.
 // If the document is invalid or there is a processing error, it logs details and exits non-zero.