diff --git a/src/caoscrawler/validator.py b/src/caoscrawler/validator.py
index 3051f4c42dd50496e64e9ab0871b464b5f564192..fdfed23f503e09f11e9be26fcad7dd2b4f13e7e0 100644
--- a/src/caoscrawler/validator.py
+++ b/src/caoscrawler/validator.py
@@ -71,7 +71,8 @@ def representer_ordereddict(dumper, data):
     Helper function to be able to represent the converted json schema objects correctly as yaml.
     This representer essentially replaced OrderedDict objects with simple dict objects.
 
-    Since Python 3.7 dicts are ordered by default, see e.g.: https://softwaremaniacs.org/blog/2020/02/05/dicts-ordered/en/
+    Since Python 3.7 dicts are ordered by default, see e.g.:
+    https://softwaremaniacs.org/blog/2020/02/05/dicts-ordered/en/
 
     Example how to use the representer:
     ```python
@@ -81,7 +82,7 @@ def representer_ordereddict(dumper, data):
     return dumper.represent_data(dict(data))
 
 
-def apply_schema_patches(pobj: dict):
+def _apply_schema_patches(pobj: dict):
     """
     Changes applied:
     - properties are moved vom subitem "proeprties" to top-level.
@@ -92,7 +93,7 @@ def apply_schema_patches(pobj: dict):
         return pobj
     for prop in pobj["properties"]:
         if isinstance(pobj["properties"][prop], dict):
-            pobj[prop] = apply_schema_patches(pobj["properties"][prop])
+            pobj[prop] = _apply_schema_patches(pobj["properties"][prop])
         else:
             pobj[prop] = pobj["properties"][prop]
 
@@ -108,8 +109,8 @@ def convert_record(record: db.Record):
     """
     Convert a record into a form suitable for validation with jsonschema.
 
-    Uses high_level_api.convert_to_python_object
-    Afterwards apply_schema_patches is called recursively to refactor the dictionary
+    Uses `high_level_api.convert_to_python_object`
+    Afterwards `_apply_schema_patches` is called recursively to refactor the dictionary
     to match the current form of the jsonschema.
 
     Arguments: