diff --git a/Classes/Configuration/ConfigurationContainer.php b/Classes/Configuration/ConfigurationContainer.php
index a491c30..b213c9b 100644
--- a/Classes/Configuration/ConfigurationContainer.php
+++ b/Classes/Configuration/ConfigurationContainer.php
@@ -26,7 +26,7 @@ use TYPO3\CMS\Extbase\Configuration\ConfigurationManagerInterface;
 
 /**
  * Container of all configurations for extension.
- * Always inject this to have a single place for configuration and parsing only once.
+ * Always inject this to have a single place for configuration.
  */
 class ConfigurationContainer implements ConfigurationContainerInterface
 {
@@ -39,6 +39,8 @@ class ConfigurationContainer implements ConfigurationContainerInterface
 
     /**
      * Inject settings via ConfigurationManager.
+     *
+     * @throws NoConfigurationException
      */
     public function injectConfigurationManager(ConfigurationManagerInterface $configurationManager)
     {
diff --git a/Classes/Connection/Elasticsearch/DocumentFactory.php b/Classes/Connection/Elasticsearch/DocumentFactory.php
index d570789..9b8fcf0 100644
--- a/Classes/Connection/Elasticsearch/DocumentFactory.php
+++ b/Classes/Connection/Elasticsearch/DocumentFactory.php
@@ -44,8 +44,6 @@ class DocumentFactory implements Singleton
     }
 
     /**
-     * Creates document from document.
-     *
      * @throws \InvalidArgumentException If no search identifier was provided.
      */
     public function getDocument(string $documentType, array $document): \Elastica\Document
@@ -67,8 +65,6 @@ class DocumentFactory implements Singleton
     }
 
     /**
-     * Creates documents based on documents.
-     *
      * @throws \InvalidArgumentException If no search identifier was provided.
      */
     public function getDocuments(string $documentType, array $documents): array
diff --git a/Classes/Connection/Elasticsearch/SearchResult.php b/Classes/Connection/Elasticsearch/SearchResult.php
index 1704f2d..f178c68 100644
--- a/Classes/Connection/Elasticsearch/SearchResult.php
+++ b/Classes/Connection/Elasticsearch/SearchResult.php
@@ -21,6 +21,8 @@ namespace Codappix\SearchCore\Connection\Elasticsearch;
  * 02110-1301, USA.
  */
 
+use Codappix\SearchCore\Connection\FacetInterface;
+use Codappix\SearchCore\Connection\ResultItemInterface;
 use Codappix\SearchCore\Connection\SearchRequestInterface;
 use Codappix\SearchCore\Connection\SearchResultInterface;
 use Codappix\SearchCore\Domain\Model\QueryResultInterfaceStub;
diff --git a/Classes/Domain/Search/SearchServiceInterface.php b/Classes/Domain/Search/SearchServiceInterface.php
index fafb06b..977a6f6 100644
--- a/Classes/Domain/Search/SearchServiceInterface.php
+++ b/Classes/Domain/Search/SearchServiceInterface.php
@@ -29,7 +29,9 @@ use Codappix\SearchCore\Connection\SearchResultInterface;
  */
 interface SearchServiceInterface
 {
-
+    /**
+     * Fetches result for provided search request.
+     */
     public function search(SearchRequestInterface $searchRequest): SearchResultInterface;
 
     /**