diff --git a/docs/mkdocs/docs/api/macros/json_disable_enum_serialization.md b/docs/mkdocs/docs/api/macros/json_disable_enum_serialization.md
index ea291f9a0..0c4d13608 100644
--- a/docs/mkdocs/docs/api/macros/json_disable_enum_serialization.md
+++ b/docs/mkdocs/docs/api/macros/json_disable_enum_serialization.md
@@ -132,4 +132,8 @@ By default, `#!cpp JSON_DISABLE_ENUM_SERIALIZATION` is not defined.
 
 ## See also
 
-- [`NLOHMANN_JSON_SERIALIZE_ENUM`](nlohmann_json_serialize_enum.md)
\ No newline at end of file
+- [`NLOHMANN_JSON_SERIALIZE_ENUM`](nlohmann_json_serialize_enum.md)
+
+## Version history
+
+- Added in version 3.11.0.
diff --git a/docs/mkdocs/scripts/check_structure.py b/docs/mkdocs/scripts/check_structure.py
index 56de6e89f..37c4ce356 100755
--- a/docs/mkdocs/scripts/check_structure.py
+++ b/docs/mkdocs/scripts/check_structure.py
@@ -112,7 +112,7 @@ def check_structure():
                 if line == '```cpp' and section_idx == -1:
                     in_initial_code_example = True
 
-                if in_initial_code_example and line.startswith('//'):
+                if in_initial_code_example and line.startswith('//') and line not in ['// since C++20', '// until C++20']:
                     # check numbering of overloads
                     if any(map(str.isdigit, line)):
                         number = int(re.findall(r'\d+', line)[0])
@@ -121,7 +121,7 @@ def check_structure():
                         last_overload = number
 
                     if any(map(str.isdigit, line)) and '(' not in line:
-                        report('style/numbering', f'{file}:{lineno+1}', 'number should be in parentheses: {line}')
+                        report('style/numbering', f'{file}:{lineno+1}', f'number should be in parentheses: {line}')
 
                 if line == '```' and in_initial_code_example:
                     in_initial_code_example = False