diff --git a/lib/api_doc/__init__.py b/lib/api_doc/__init__.py
index e19a8c6cbdf432b72d99f5e0e4e91c43f537bc5e..a3710aed0ef4c50c9ccfed1b85d6c8ea2434e1f4 100644
--- a/lib/api_doc/__init__.py
+++ b/lib/api_doc/__init__.py
@@ -20,7 +20,7 @@ from aslint.logger import logger
 from aslint.string_utils import convert
 
 RE_KEY = re.compile(
-    "(?P<key>(?P<chap>(?P<man>[arduvm]){1}[0-9]+)" r"\.[0-9a-zA-Z]+\.[0-9]+)$", re.I
+    "(?P<key>(?P<chap>(?P<man>s?[arduvm]){1}[0-9]+)" r"\.[0-9a-zA-Z]+\.[0-9]+)$", re.I
 )
 RE_TXT = re.compile("<.*?>", re.M)
 
@@ -48,7 +48,7 @@ def changelog_doc(key, folder=None, limit=50):
         project = project_id[folder]
         branches = [br["name"] for br in api_request(project, query=f"branches?per_page={limit}")]
         args["folder"] = f"source/{folder}/" if folder == "manuals" else ""
-        values = {"path": "{folder}man_{man}/{chap}/{key}".format(**args)}
+        values = {"path": "{folder}man_{man[0]}/{chap}/{key}".format(**args)}
         descr = []
         for branch in branches:
             values["ref_name"] = branch