diff --git a/packages/PHPStanStaticTypeMapper/TypeMapper/UnionTypeMapper.php b/packages/PHPStanStaticTypeMapper/TypeMapper/UnionTypeMapper.php
index 013f1e98d1e..758f2ebb78a 100644
--- a/packages/PHPStanStaticTypeMapper/TypeMapper/UnionTypeMapper.php
+++ b/packages/PHPStanStaticTypeMapper/TypeMapper/UnionTypeMapper.php
@@ -279,7 +279,7 @@ private function matchPhpParserUnionType(UnionType $unionType, string $typeKind)
         $phpParserUnionedTypes = [];
 
         foreach ($unionType->getTypes() as $unionedType) {
-            // void,mixed, and intersection type are not allowed in union
+            // void type and mixed type are not allowed in union
             if (in_array($unionedType::class, [MixedType::class, VoidType::class], true)) {
                 return null;
             }