diff --git a/lib/public/db/querybuilder/iliteral.php b/lib/public/db/querybuilder/iliteral.php
index a09b25bb2b9dded3049bd66f2ee9036b3a108ee6..f5db1ce045609384491bcf096d1629c9ee4139aa 100644
--- a/lib/public/db/querybuilder/iliteral.php
+++ b/lib/public/db/querybuilder/iliteral.php
@@ -20,6 +20,9 @@
  */
 namespace OCP\DB\QueryBuilder;
 
+/**
+ * @since 8.2.0
+ */
 interface ILiteral {
 	/**
 	 * @return string
diff --git a/lib/public/db/querybuilder/iparameter.php b/lib/public/db/querybuilder/iparameter.php
index 0eb525b35224daf9472282535181c65ed2c335b9..f597163ba00ceba2a103b3a8e1b9fc2900e9cb7d 100644
--- a/lib/public/db/querybuilder/iparameter.php
+++ b/lib/public/db/querybuilder/iparameter.php
@@ -20,6 +20,9 @@
  */
 namespace OCP\DB\QueryBuilder;
 
+/**
+ * @since 8.2.0
+ */
 interface IParameter {
 	/**
 	 * @return string
diff --git a/lib/public/db/querybuilder/iqueryfunction.php b/lib/public/db/querybuilder/iqueryfunction.php
index 499b6e1efcc5477c4da0a5eac89fe6d2bc8de695..4e8c163f777676e658b1940c968ced41fa656336 100644
--- a/lib/public/db/querybuilder/iqueryfunction.php
+++ b/lib/public/db/querybuilder/iqueryfunction.php
@@ -20,6 +20,9 @@
  */
 namespace OCP\DB\QueryBuilder;
 
+/**
+ * @since 8.2.0
+ */
 interface IQueryFunction {
 	/**
 	 * @return string
diff --git a/lib/public/files/mount/imountmanager.php b/lib/public/files/mount/imountmanager.php
index 96ec1e11ad321cb1fd844695f5a9ad464f47a563..1eb9b66dad89f0af952f03755a0f79f7a8bb27e3 100644
--- a/lib/public/files/mount/imountmanager.php
+++ b/lib/public/files/mount/imountmanager.php
@@ -25,6 +25,7 @@ namespace OCP\Files\Mount;
  * Interface IMountManager
  *
  * Manages all mounted storages in the system
+ * @since 8.2.0
  */
 interface IMountManager {
 
diff --git a/lib/public/template.php b/lib/public/template.php
index cc91bff2528d4b2a3d3cb47ffc0d4df689ff5520..b308240306d1ed0cd7ba6a3ea61d413eb23a0e65 100644
--- a/lib/public/template.php
+++ b/lib/public/template.php
@@ -137,6 +137,8 @@ function html_select_options($options, $selected, $params=array()) {
 /**
  * This class provides the template system for owncloud. You can use it to load
  * specific templates, add data and generate the html code
+ *
+ * @since 8.0.0
  */
 class Template extends \OC_Template {
 	/**