diff --git a/haystack/nodes/audio/whisper_transcriber.py b/haystack/nodes/audio/whisper_transcriber.py
index d43d3f3e22..66f7480539 100644
--- a/haystack/nodes/audio/whisper_transcriber.py
+++ b/haystack/nodes/audio/whisper_transcriber.py
@@ -91,6 +91,7 @@ def transcribe(
         :param return_segments: If True, returns the transcription for each segment of the audio file. Supported with
         local installation of whisper only.
         :param translate: If True, translates the transcription to English.
+        :return: A dictionary containing the transcription text and metadata like timings, segments etc.
 
         """
         transcript: Dict[str, Any] = {}
@@ -176,6 +177,8 @@ def run(
         :param labels: Ignored
         :param documents: Ignored
         :param meta: Ignored
+        :return: A dictionary containing a list of Document objects, one for each input file.
+
         """
         transcribed_documents: List[Document] = []
         if file_paths: