diff --git a/deepsearch/cps/client/components/data_indices.py b/deepsearch/cps/client/components/data_indices.py
index 48ac89ee..28814a29 100644
--- a/deepsearch/cps/client/components/data_indices.py
+++ b/deepsearch/cps/client/components/data_indices.py
@@ -94,7 +94,7 @@ def delete(
     def upload_file(
         self,
         coords: ElasticProjectDataCollectionSource,
-        body: Dict[str, str],
+        body: Dict[str, List[str]],
     ) -> str:
         """
         Call api for converting and uploading file to a project's data index.
diff --git a/deepsearch/cps/data_indices/utils.py b/deepsearch/cps/data_indices/utils.py
index f336f118..a45cda81 100644
--- a/deepsearch/cps/data_indices/utils.py
+++ b/deepsearch/cps/data_indices/utils.py
@@ -82,7 +82,8 @@ def process_url_input(
         bar_format=progressbar.bar_format,
     ) as progress:
         for url in urls:
-            payload = {"file_url": url}
+            file_url_array = [url]
+            payload = {"file_url": file_url_array}
             task_id = api.data_indices.upload_file(coords=coords, body=payload)
             task_ids.append(task_id)
             progress.update(1)
@@ -146,7 +147,8 @@ def process_local_file(
             private_download_url = convert.upload_single_file(
                 api=api, cps_proj_key=coords.proj_key, source_path=Path(single_zip)
             )
-            payload = {"file_url": private_download_url}
+            file_url_array = [private_download_url]
+            payload = {"file_url": file_url_array}
             task_id = api.data_indices.upload_file(coords=coords, body=payload)
             task_ids.append(task_id)
             progress.update(1)
diff --git a/deepsearch/documents/core/common_routines.py b/deepsearch/documents/core/common_routines.py
index 2e9d182f..80783190 100644
--- a/deepsearch/documents/core/common_routines.py
+++ b/deepsearch/documents/core/common_routines.py
@@ -15,4 +15,4 @@ class ProgressBarParameters:
 
 
 progressbar = ProgressBarParameters()
-success_message = "Whoa... it is done. Until next time, Ciao!"
+success_message = "Completed successfully"
diff --git a/docs/guide/data_indices.md b/docs/guide/data_indices.md
index 97959d96..204a3993 100644
--- a/docs/guide/data_indices.md
+++ b/docs/guide/data_indices.md
@@ -108,12 +108,13 @@ Documents can be converted and added, directly, to a data index in a project. Br
 === "Python"
     ```python
     from deepsearch.cps.client.components.elastic import ElasticProjectDataCollectionSource
+    from deepsearch.cps.data_indices import utils as data_indices_utils
 
     # Specify index
     coords = ElasticProjectDataCollectionSource(proj_key=PROJ_KEY, index_key=INDEX_KEY)
 
     # For local documents
-    ds.data_indices_utilities.upload_files(coords=coords, local_file=PATH_DOCS)
+    data_indices_utils.upload_files(api=api, coords=coords, local_file=PATH_DOCS)
 
     # For online documents
 
@@ -122,7 +123,7 @@ Documents can be converted and added, directly, to a data index in a project. Br
     # or, define a list directly
     #input_urls = ["https:///URL1", "https://URL2", "https://URL3"]
 
-    ds.data_indices_utilities.upload_files(coords=coords, url=input_urls)
+    data_indices_utils.upload_files(api=api, coords=coords, url=input_urls)
     ```
 
 ---