diff --git a/plugins/wallabag/WallabagInstance.php b/plugins/wallabag/WallabagInstance.php
index 87352e66..72cc2e5e 100644
--- a/plugins/wallabag/WallabagInstance.php
+++ b/plugins/wallabag/WallabagInstance.php
@@ -1,71 +1,71 @@
-<?php
-
-/**
- * Class WallabagInstance.
- */
-class WallabagInstance
-{
-    /**
-     * @var array Static reference to differrent WB API versions.
-     *          - key: version ID, must match plugin settings.
-     *          - value: version name.
-     */
-    private static $wallabagVersions = array(
-        1 => '1.x',
-        2 => '2.x',
-    );
-
-    /**
-     * @var array Static reference to WB endpoint according to the API version.
-     *          - key: version name.
-     *          - value: endpoint.
-     */
-    private static $wallabagEndpoints = array(
-        '1.x' => '?plainurl=',
-        '2.x' => 'bookmarklet?url=',
-    );
-
-    /**
-     * @var string Wallabag user instance URL.
-     */
-    private $instanceUrl;
-
-    /**
-     * @var string Wallabag user instance API version.
-     */
-    private $apiVersion;
-
-    function __construct($instance, $version)
-    {
-        if ($this->isVersionAllowed($version)) {
-            $this->apiVersion = self::$wallabagVersions[$version];
-        } else {
-            // Default API version: 1.x.
-            $this->apiVersion = self::$wallabagVersions[1];
-        }
-
-        $this->instanceUrl = add_trailing_slash($instance);
-    }
-
-    /**
-     * Build the Wallabag URL to reach from instance URL and API version endpoint.
-     *
-     * @return string wallabag url.
-     */
-    public function getWallabagUrl()
-    {
-        return $this->instanceUrl . self::$wallabagEndpoints[$this->apiVersion];
-    }
-
-    /**
-     * Checks version configuration.
-     *
-     * @param mixed $version given version ID.
-     *
-     * @return bool true if it's valid, false otherwise.
-     */
-    private function isVersionAllowed($version)
-    {
-        return isset(self::$wallabagVersions[$version]);
-    }
-}
+<?php
+
+/**
+ * Class WallabagInstance.
+ */
+class WallabagInstance
+{
+    /**
+     * @var array Static reference to differrent WB API versions.
+     *          - key: version ID, must match plugin settings.
+     *          - value: version name.
+     */
+    private static $wallabagVersions = array(
+        1 => '1.x',
+        2 => '2.x',
+    );
+
+    /**
+     * @var array Static reference to WB endpoint according to the API version.
+     *          - key: version name.
+     *          - value: endpoint.
+     */
+    private static $wallabagEndpoints = array(
+        '1.x' => '?plainurl=',
+        '2.x' => 'bookmarklet?url=',
+    );
+
+    /**
+     * @var string Wallabag user instance URL.
+     */
+    private $instanceUrl;
+
+    /**
+     * @var string Wallabag user instance API version.
+     */
+    private $apiVersion;
+
+    function __construct($instance, $version)
+    {
+        if ($this->isVersionAllowed($version)) {
+            $this->apiVersion = self::$wallabagVersions[$version];
+        } else {
+            // Default API version: 1.x.
+            $this->apiVersion = self::$wallabagVersions[1];
+        }
+
+        $this->instanceUrl = add_trailing_slash($instance);
+    }
+
+    /**
+     * Build the Wallabag URL to reach from instance URL and API version endpoint.
+     *
+     * @return string wallabag url.
+     */
+    public function getWallabagUrl()
+    {
+        return $this->instanceUrl . self::$wallabagEndpoints[$this->apiVersion];
+    }
+
+    /**
+     * Checks version configuration.
+     *
+     * @param mixed $version given version ID.
+     *
+     * @return bool true if it's valid, false otherwise.
+     */
+    private function isVersionAllowed($version)
+    {
+        return isset(self::$wallabagVersions[$version]);
+    }
+}