diff --git a/app/controllers/api/databases.php b/app/controllers/api/databases.php
index a9bb58df4b..e403116969 100644
--- a/app/controllers/api/databases.php
+++ b/app/controllers/api/databases.php
@@ -2531,7 +2531,7 @@ App::post('/v1/databases/:databaseId/collections/:collectionId/indexes')
             $attributeIndex = \array_search($attribute, array_column($oldAttributes, 'key'));
 
             if ($attributeIndex === false) {
-                throw new Exception(Exception::ATTRIBUTE_UNKNOWN, 'Unknown attribute: ' . $attribute);
+                throw new Exception(Exception::ATTRIBUTE_UNKNOWN, 'Unknown attribute: ' . $attribute . '. Verify the attribute name or create the attribute.');
             }
 
             $attributeStatus = $oldAttributes[$attributeIndex]['status'];
diff --git a/docs/references/databases/create-document.md b/docs/references/databases/create-document.md
index a2444d58a4..643518df51 100644
--- a/docs/references/databases/create-document.md
+++ b/docs/references/databases/create-document.md
@@ -1 +1 @@
-Create a new Document. Before using this route, you should create a new collection resource using either a [server integration](https://appwrite.io/docs/server/databases#databasesCreateCollection) API or directly from your database console.
\ No newline at end of file
+Create a new Document. Before using this route, you should create a new collection resource using either a [server integration](https://appwrite.io/docs/server/databases#databasesCreateCollection) API or directly from your database console.