Fixed nicetime() twig function

CHANGELOG.md

@@ -7,6 +7,7 @@
 1. [](#bugfix)
     * Allow `$page->slug()` to be called before `$page->init()` without breaking the page
     * Fix for `Page::translatedLanguages()` to use routes always [#2163](https://github.com/getgrav/grav/issues/2163)
+    * Fixed `nicetime()` twig function
 
 # v1.5.1
 ## 08/23/2018

system/src/Grav/Common/Twig/TwigExtension.php

@@ -155,7 +155,7 @@ class TwigExtension extends \Twig_Extension implements \Twig_Extension_GlobalsIn
             new \Twig_SimpleFunction('read_file', [$this, 'readFileFunc']),
             new \Twig_SimpleFunction('nicenumber', [$this, 'niceNumberFunc']),
             new \Twig_SimpleFunction('nicefilesize', [$this, 'niceFilesizeFunc']),
-            new \Twig_SimpleFunction('nicetime', [$this, 'nicetimeFilter']),
+            new \Twig_SimpleFunction('nicetime', [$this, 'nicetimeFunc']),
 
             // Translations
             new \Twig_simpleFunction('t', [$this, 'translate']),