UPGRADING: fix missing syntax highlighting

staabm · web-flow · commit 5a5d420aa501 · 2024-10-03T08:27:11.000+02:00
diff --git a/UPGRADING.md b/UPGRADING.md
@@ -185,7 +185,7 @@ $returnType = ParametersAcceptorSelector::selectSingle($function->getVariants())
 
 **After**:
 
-```
+```php
 $returnType = $node->getFunctionReflection()->getReturnType();
 ```
 
