diff --git a/src/OutputGenerator/Go/GoOutputGenerator.php b/src/OutputGenerator/Go/GoOutputGenerator.php
index aa41df8..eb35962 100644
--- a/src/OutputGenerator/Go/GoOutputGenerator.php
+++ b/src/OutputGenerator/Go/GoOutputGenerator.php
@@ -15,8 +15,7 @@
 use Riverwaysoft\PhpConverter\OutputWriter\OutputProcessor\OutputFilesProcessor;
 use Riverwaysoft\PhpConverter\OutputWriter\OutputWriterInterface;
 
-class GoOutputGenerator
-    implements OutputGeneratorInterface
+class GoOutputGenerator implements OutputGeneratorInterface
 {
     private OutputFilesProcessor $outputFilesProcessor;
 
@@ -87,6 +86,6 @@ private function convert(DtoType $dto, DtoList $dtoList): string
         if ($dto->getExpressionType()->isAnyEnum()) {
             return $this->enumResolver->resolve($dto);
         }
-        throw new Exception('Unknown expression type '.$dto->getExpressionType()->jsonSerialize());
+        throw new Exception('Unknown expression type ' . $dto->getExpressionType()->jsonSerialize());
     }
 }