diff --git a/tomlkit/container.py b/tomlkit/container.py
index 27d6917..319f3c9 100644
--- a/tomlkit/container.py
+++ b/tomlkit/container.py
@@ -44,6 +44,7 @@ def body(self) -> list[tuple[Key | None, Item]]:
         return self._body
 
     def unwrap(self) -> dict[str, Any]:
+        """Returns as pure python object (ppo)"""
         unwrapped = {}
         for k, v in self.items():
             if k is None:
@@ -64,6 +65,7 @@ def unwrap(self) -> dict[str, Any]:
 
     @property
     def value(self) -> dict[str, Any]:
+        """The wrapped dict value"""
         d = {}
         for k, v in self._body:
             if k is None:
diff --git a/tomlkit/items.py b/tomlkit/items.py
index 31f63f8..af12ad5 100644
--- a/tomlkit/items.py
+++ b/tomlkit/items.py
@@ -1665,6 +1665,7 @@ def indent(self, indent: int) -> Table:
         return self
 
     def invalidate_display_name(self):
+        """Call ``invalidate_display_name`` on the contained tables"""
         self.display_name = None
 
         for child in self.values():