diff --git a/lib/public/FullTextSearch/Model/ISearchRequest.php b/lib/public/FullTextSearch/Model/ISearchRequest.php
index 2aafebdf40..6874cf161b 100644
--- a/lib/public/FullTextSearch/Model/ISearchRequest.php
+++ b/lib/public/FullTextSearch/Model/ISearchRequest.php
@@ -94,6 +94,8 @@ interface ISearchRequest {
 	/**
 	 * Set the searched string.
 	 *
+	 * @param string $search
+	 *
 	 * @since 17.0.0
 	 *
 	 * @return ISearchRequest
@@ -101,10 +103,12 @@ interface ISearchRequest {
 	public function setSearch(string $search): ISearchRequest;
 
 	/**
-	 * Complete the searched string.
+	 * Extends the searched string.
 	 *
 	 * @since 17.0.0
 	 *
+	 * @param string $search
+	 *
 	 * @return ISearchRequest
 	 */
 	public function addSearch(string $search): ISearchRequest;