diff --git a/stdlib/ast.pyi b/stdlib/ast.pyi
index b2cff5b00..1c2d8a597 100644
--- a/stdlib/ast.pyi
+++ b/stdlib/ast.pyi
@@ -261,7 +261,7 @@ else:
     def dump(node: AST, annotate_fields: bool = ..., include_attributes: bool = ...) -> str: ...
 
 def fix_missing_locations(node: _T) -> _T: ...
-def get_docstring(node: AST, clean: bool = ...) -> str | None: ...
+def get_docstring(node: AsyncFunctionDef | FunctionDef | ClassDef | Module, clean: bool = ...) -> str | None: ...
 def increment_lineno(node: _T, n: int = ...) -> _T: ...
 def iter_child_nodes(node: AST) -> Iterator[AST]: ...
 def iter_fields(node: AST) -> Iterator[tuple[str, Any]]: ...