diff --git a/src/attrbox/__init__.py b/src/attrbox/__init__.py
index beab477..455fb85 100644
--- a/src/attrbox/__init__.py
+++ b/src/attrbox/__init__.py
@@ -5,8 +5,10 @@
 """
 
 # pkg
-from .attrdict import AttrDict, __pdoc__ as doc1
-from .attrlist import AttrList, __pdoc__ as doc2
+from .attrdict import __pdoc__ as doc1
+from .attrdict import AttrDict
+from .attrlist import __pdoc__ as doc2
+from .attrlist import AttrList
 
 from .jsend import JSend
 
diff --git a/src/attrbox/attrdict.py b/src/attrbox/attrdict.py
index fd89ad7..488b32b 100644
--- a/src/attrbox/attrdict.py
+++ b/src/attrbox/attrdict.py
@@ -417,6 +417,7 @@ def __lshift__(self, other: Mapping[str, Any]) -> AttrDict:
 
 
 __pdoc__ = {
+    "AttrDict.__contains__": True,
     "AttrDict.__getattr__": True,
     "AttrDict.__setattr__": True,
     "AttrDict.__delattr__": True,