Fix PHP example code in documentation (php-debugbar#412)

Nicolapps · barryvdh · commit 5d44b5e5bc27 · 2019-03-22T20:37:57.000+01:00
diff --git a/docs/rendering.md b/docs/rendering.md
@@ -45,7 +45,7 @@ Using Assetic:
 
 Dumping the assets:
 
-    header('Content-Type', 'text/javascript');
+    header('Content-Type: text/javascript');
     $renderer->dumpJsAssets();
 
 Retrieving the assets:
