diff --git a/.styleci.yml b/.styleci.yml
index d89ca9e..2002097 100644
--- a/.styleci.yml
+++ b/.styleci.yml
@@ -1,4 +1,4 @@
-preset: PSR2
+preset: psr2
 
 finder:
   exclude:
diff --git a/README.md b/README.md
index 4c674d9..74effbf 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ See [`example`](example) directory for sources.
 
 `example\example.php`
 ```php
-<pre><?php
+<?php
 
 use DElfimov\Translate\Translate;
 use DElfimov\Translate\Loader\PhpFilesLoader;
@@ -75,7 +75,7 @@ echo $t->t('some string')."\n\n"; // or $t('some string');
 echo $t->plural('%d liters', $num) . "\n\n";
 echo $t->plural("The %s contains %d monkeys", $num, ['tree', $num]) . "\n\n";
 
-?></pre>
+?>
 ```
 
 `example\messages\en\messages.php`
diff --git a/src/Loader/LoaderInterface.php b/src/Loader/LoaderInterface.php
index 23e96d9..d34f7c8 100644
--- a/src/Loader/LoaderInterface.php
+++ b/src/Loader/LoaderInterface.php
@@ -10,7 +10,6 @@
  */
 interface LoaderInterface extends ContainerInterface
 {
-
     /**
      * Determines whether a language is available.
      * @param string $language language code
diff --git a/src/Loader/PhpArrayLoader.php b/src/Loader/PhpArrayLoader.php
index 8e3a725..f3efaeb 100644
--- a/src/Loader/PhpArrayLoader.php
+++ b/src/Loader/PhpArrayLoader.php
@@ -8,7 +8,6 @@
  */
 class PhpArrayLoader implements LoaderInterface
 {
-
     /**
      * Messages container
      *