diff --git a/lib/public/activity/imanager.php b/lib/public/activity/imanager.php
index a389bd6a70..086e430d67 100644
--- a/lib/public/activity/imanager.php
+++ b/lib/public/activity/imanager.php
@@ -52,7 +52,6 @@ interface IManager {
 	 *
 	 * $callable has to return an instance of OCA\Activity\IConsumer
 	 *
-	 * @param string $key
 	 * @param \Closure $callable
 	 */
 	function registerConsumer(\Closure $callable);
diff --git a/lib/public/files/folder.php b/lib/public/files/folder.php
index 5c9785db57..7fec1c529a 100644
--- a/lib/public/files/folder.php
+++ b/lib/public/files/folder.php
@@ -20,6 +20,11 @@
  *
  */
 
+/**
+ * Public interface of ownCloud for apps to use.
+ * Files/Folder interface
+ */
+
 // use OCP namespace for all classes that are considered public.
 // This means that they should be used by apps instead of the internal ownCloud classes
 namespace OCP\Files;
diff --git a/lib/public/files/node.php b/lib/public/files/node.php
index e38bfa3b2e..972b1cfa49 100644
--- a/lib/public/files/node.php
+++ b/lib/public/files/node.php
@@ -20,6 +20,11 @@
  *
  */
 
+/**
+ * Public interface of ownCloud for apps to use.
+ * Files/Node interface
+ */
+
 // use OCP namespace for all classes that are considered public.
 // This means that they should be used by apps instead of the internal ownCloud classes
 namespace OCP\Files;
diff --git a/lib/public/idbconnection.php b/lib/public/idbconnection.php
index 17e3de0ffe..656b5e7e5b 100644
--- a/lib/public/idbconnection.php
+++ b/lib/public/idbconnection.php
@@ -45,7 +45,7 @@ interface IDBConnection {
 
 	/**
 	 * Used to get the id of the just inserted element
-	 * @param string $tableName the name of the table where we inserted the item
+	 * @param string $table the name of the table where we inserted the item
 	 * @return int the id of the inserted element
 	 */
 	public function lastInsertId($table = null);
diff --git a/lib/public/share.php b/lib/public/share.php
index 01bf61a60a..003a91a93b 100644
--- a/lib/public/share.php
+++ b/lib/public/share.php
@@ -256,7 +256,7 @@ class Share {
 	/**
 	 * Get the item of item type shared with the current user
 	 * @param string $itemType
-	 * @param string $ItemTarget
+	 * @param string $itemTarget
 	 * @param int $format (optional) Format type must be defined by the backend
 	 * @return Return depends on format
 	 */
@@ -268,8 +268,8 @@ class Share {
 
 	/**
 	 * Get the item of item type shared with a given user by source
-	 * @param string $ItemType
-	 * @param string $ItemSource
+	 * @param string $itemType
+	 * @param string $itemSource
 	 * @param string $user User user to whom the item was shared
 	 * @return array Return list of items with file_target, permissions and expiration
 	 */