diff --git a/.circleci/config.yml b/.circleci/config.yml
index 02250f9..4de99cf 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -24,7 +24,6 @@ jobs:
       - run:
           name: Composer install packages
           command: |
-            composer update
             composer install --prefer-source
       - run:
           name: PHPUnit
diff --git a/src/_tree.php b/src/_tree.php
index 1f97923..de25aac 100644
--- a/src/_tree.php
+++ b/src/_tree.php
@@ -34,7 +34,6 @@ public static function getInstance()
     }
 }
 
-
 /**
  * CLI Render
  *
@@ -77,6 +76,8 @@ public function render(array $tree, $level = 0)
             if (!is_array($next)) {
                 if (is_object($next) && !method_exists($next, '__string')) {
                     $content = ': ' . get_class($next);
+                } else if (is_string($next)) {
+                    $content = ': ' . $next;
                 } else {
                     $content = ': ' . var_export($next, true);
                 }