diff --git a/lib/private/AppFramework/OCS/BaseResponse.php b/lib/private/AppFramework/OCS/BaseResponse.php
index 68456289be5d67f1925814f623258a64a7460656..c7aa5ad073b102d8224d4338afd62767ba96048f 100644
--- a/lib/private/AppFramework/OCS/BaseResponse.php
+++ b/lib/private/AppFramework/OCS/BaseResponse.php
@@ -48,7 +48,7 @@ abstract class BaseResponse extends Response   {
 	/**
 	 * BaseResponse constructor.
 	 *
-	 * @param DataResponse|null $dataResponse
+	 * @param DataResponse $dataResponse
 	 * @param string $format
 	 * @param string|null $statusMessage
 	 * @param int|null $itemsCount
diff --git a/lib/private/Authentication/TwoFactorAuth/Manager.php b/lib/private/Authentication/TwoFactorAuth/Manager.php
index 7fba6d4874a8930dc7d2a925b6df216ebe084183..b048d4e1f3c208c27753f89d2dd5573115bddaec 100644
--- a/lib/private/Authentication/TwoFactorAuth/Manager.php
+++ b/lib/private/Authentication/TwoFactorAuth/Manager.php
@@ -181,7 +181,7 @@ class Manager {
 
 	/**
 	 * @param array $states
-	 * @param IProvider $providers
+	 * @param IProvider[] $providers
 	 */
 	private function isProviderMissing(array $states, array $providers): bool {
 		$indexed = [];
diff --git a/lib/private/DB/Migrator.php b/lib/private/DB/Migrator.php
index cf4eb43bc8fe47db8f5e8d6815bc1cb02d544231..8b1621a5f55053efc9c7f9dc3c4b22e0c84f8b4a 100644
--- a/lib/private/DB/Migrator.php
+++ b/lib/private/DB/Migrator.php
@@ -62,7 +62,7 @@ class Migrator {
 	private $noEmit = false;
 
 	/**
-	 * @param \Doctrine\DBAL\Connection|Connection $connection
+	 * @param \Doctrine\DBAL\Connection $connection
 	 * @param ISecureRandom $random
 	 * @param IConfig $config
 	 * @param EventDispatcherInterface $dispatcher
diff --git a/lib/private/DB/MySQLMigrator.php b/lib/private/DB/MySQLMigrator.php
index 8cc537f6b7582490a625aa891065367b2f0c2150..73122fb07158053d5ab9d108da9cfa916856b5e9 100644
--- a/lib/private/DB/MySQLMigrator.php
+++ b/lib/private/DB/MySQLMigrator.php
@@ -51,7 +51,7 @@ class MySQLMigrator extends Migrator {
 
 		return $schemaDiff;
 	}
-	
+
         /**
          * Speed up migration test by disabling autocommit and unique indexes check
          *
diff --git a/lib/private/Preview/GeneratorHelper.php b/lib/private/Preview/GeneratorHelper.php
index 0e271947b569a4d177010551afb787d419b71260..470cad2d0a656e1cfbd2c608e0bb87804201b964 100644
--- a/lib/private/Preview/GeneratorHelper.php
+++ b/lib/private/Preview/GeneratorHelper.php
@@ -52,10 +52,11 @@ class GeneratorHelper {
 	}
 
 	/**
-	 * @param IProvider $provider
+	 * @param IProviderV2 $provider
 	 * @param File $file
 	 * @param int $maxWidth
 	 * @param int $maxHeight
+	 *
 	 * @return bool|IImage
 	 */
 	public function getThumbnail(IProviderV2 $provider, File $file, $maxWidth, $maxHeight) {
diff --git a/lib/public/FullTextSearch/Model/IIndex.php b/lib/public/FullTextSearch/Model/IIndex.php
index 9d0d9e0fe71a510a407054ad77296fec18642fe0..c63ddc19906f736dfa0706005ada056c91a48b46 100644
--- a/lib/public/FullTextSearch/Model/IIndex.php
+++ b/lib/public/FullTextSearch/Model/IIndex.php
@@ -181,7 +181,7 @@ interface IIndex {
 	 * @since 15.0.0
 	 *
 	 * @param string $option
-	 * @param string|int $value
+	 * @param string $value
 	 *
 	 * @return IIndex
 	 */