diff --git a/files/converter/googledrive/classes/converter.php b/files/converter/googledrive/classes/converter.php
index 13c3605f4b1..831c20f31d8 100644
--- a/files/converter/googledrive/classes/converter.php
+++ b/files/converter/googledrive/classes/converter.php
@@ -39,6 +39,7 @@ use \core_files\conversion;
  */
 class converter implements \core_files\converter_interface {
 
+    /** @var array $imports List of supported import file formats */
     private static $imports = [
         'doc' => 'application/vnd.google-apps.document',
         'docx' => 'application/vnd.google-apps.document',
@@ -49,6 +50,7 @@ class converter implements \core_files\converter_interface {
         'pptx' => 'application/vnd.google-apps.presentation'
     ];
 
+    /** @var array $export List of supported export file formats */
     private static $exports = [
         'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
         'rtf' => 'application/rtf',
@@ -61,8 +63,7 @@ class converter implements \core_files\converter_interface {
     /**
      * Convert a document to a new format and return a conversion object relating to the conversion in progress.
      *
-     * @param   conversion $conversion The file to be converted
-     * @param   string $format The target file format
+     * @param   \core_files\conversion $conversion The file to be converted
      * @return  this
      */
     public function start_document_conversion(\core_files\conversion $conversion) {
diff --git a/files/converter/googledrive/lang/en/fileconverter_googledrive.php b/files/converter/googledrive/lang/en/fileconverter_googledrive.php
index b796bba4f02..f118f0ef711 100644
--- a/files/converter/googledrive/lang/en/fileconverter_googledrive.php
+++ b/files/converter/googledrive/lang/en/fileconverter_googledrive.php
@@ -15,9 +15,9 @@
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 
 /**
- * Strings for plugin 'fileconverter_example'
+ * Strings for plugin 'fileconverter_googledrive'
  *
- * @package   fileconverter_example
+ * @package   fileconverter_googledrive
  * @copyright 2017 Damyon Wiese
  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
diff --git a/files/converter/googledrive/test.php b/files/converter/googledrive/test.php
index 426d41ab422..fa764caad90 100644
--- a/files/converter/googledrive/test.php
+++ b/files/converter/googledrive/test.php
@@ -15,9 +15,9 @@
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 
 /**
- * Test that unoconv is configured correctly
+ * Test that googledrive is configured correctly
  *
- * @package   fileconverter_unoconv
+ * @package   fileconverter_googledrive
  * @copyright 2017 Andrew Nicols <andrew@nicols.co.uk>
  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
diff --git a/lib/filelib.php b/lib/filelib.php
index 34434a0a90b..b1dafb9e3a2 100644
--- a/lib/filelib.php
+++ b/lib/filelib.php
@@ -3607,7 +3607,7 @@ class curl {
         $fp = false;
         if (isset($params['file'])) {
             $file = $params['file'];
-            if(is_file($file)) {
+            if (is_file($file)) {
                 $fp   = fopen($file, 'r');
                 $size = filesize($file);
                 $options['CURLOPT_PUT']        = 1;
@@ -3617,7 +3617,7 @@ class curl {
                 return null;
             }
             if (!isset($this->options['CURLOPT_USERPWD'])) {
-                $this->setopt(array('CURLOPT_USERPWD'=>'anonymous: noreply@moodle.org'));
+                $this->setopt(array('CURLOPT_USERPWD' => 'anonymous: noreply@moodle.org'));
             }
         } else {
             $options['CURLOPT_CUSTOMREQUEST'] = 'PUT';