From b014de4de8df631b071d4b0c647755e8c210c3a2 Mon Sep 17 00:00:00 2001
From: anakin87 <44616784+anakin87@users.noreply.github.com>
Date: Thu, 24 Sep 2026 14:48:22 +0000
Subject: [PATCH] Sync Haystack API reference on Docusaurus

---
 docs-website/reference/haystack-api/preprocessors_api.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs-website/reference/haystack-api/preprocessors_api.md b/docs-website/reference/haystack-api/preprocessors_api.md
index 473584ba56..110ee9761b 100644
--- a/docs-website/reference/haystack-api/preprocessors_api.md
+++ b/docs-website/reference/haystack-api/preprocessors_api.md
@@ -1077,3 +1077,7 @@ Cleans up the given list of strings.
 
 - <code>dict\[str, Any\]</code> – A dictionary with the following key:
 - `texts`: the cleaned list of strings.
+
+**Raises:**
+
+- <code>TypeError</code> – If `texts` is not a list or any element is not a string.