diff --git a/persipubsub/control.py b/persipubsub/control.py
index c2914b1..88869f1 100644
--- a/persipubsub/control.py
+++ b/persipubsub/control.py
@@ -135,6 +135,7 @@ def init(self,
         :param max_readers: max number of reader of the lmdb
         :param max_size: max size of the lmdb in bytes
         :param high_watermark: high water mark limit of the queue
+        :param strategy: used to prune queue
         :return:
         """
         if self.check_queue_is_initialized():
@@ -179,6 +180,7 @@ def _initialize_queue(self,
         :param max_readers: max number of reader of the lmdb
         :param max_size: max size of the lmdb in bytes
         :param high_watermark: high water mark limit of the queue
+        :param strategy: used to prune queue
         :return:
         """
         if not self.path.exists():
diff --git a/persipubsub/environment.py b/persipubsub/environment.py
index a0e65ad..96c789e 100644
--- a/persipubsub/environment.py
+++ b/persipubsub/environment.py
@@ -15,8 +15,12 @@
 class Environment:
     """Fabricate persipubsub components."""
 
-    def __init__(self, path: pathlib.Path):
-        """Initialize."""
+    def __init__(self, path: pathlib.Path) -> None:
+        """
+        Initialize.
+
+        :param path: to the queue
+        """
         self.path = path
 
     def __enter__(self) -> 'Environment':
@@ -38,7 +42,13 @@ def new_control(self,
         """
         Fabricate a new control.
 
+        :param subscriber_ids: subscribers of the queue
+        :param max_readers: max number of reader of the lmdb
+        :param max_size: max size of the lmdb in bytes
+        :param high_watermark: high water mark limit of the queue
         :return: Control to initialize queues
+        :param strategy: used to prune queue
+        :return: Control to create and maintain queue
         """
         control = persipubsub.control.Control(path=self.path)
         control.init(
@@ -54,6 +64,7 @@ def new_publisher(
         """
         Fabricate a new publisher.
 
+        :param autosync: if True, store data automatically in lmdb
         :return: Publisher to send messages
         """
         publisher = persipubsub.publisher.Publisher()
diff --git a/persipubsub/publisher.py b/persipubsub/publisher.py
index 4b82aa6..11d2155 100644
--- a/persipubsub/publisher.py
+++ b/persipubsub/publisher.py
@@ -13,12 +13,8 @@ class Publisher:
     """
     Create Publisher ready to send messages.
 
-    :ivar pub_id: publisher ID
-    :vartype pub_id: str
     :ivar queue: on which messages are published
     :vartype queue: persipubsub.queue.Queue
-    :ivar sub_list: list of subscriber to which messages are send
-    :vartype sub_list: List[str]
     :ivar autosync: sync after each message or after multiple messages
     :vartype autosync: bool
     """
@@ -33,7 +29,6 @@ def init(self, path: Union[pathlib.Path, str],
         """
         Initialize.
 
-        :param pub_id: constant ID of publisher
         :param path: path to the queue
         :param autosync: if True, store data automatically in lmdb
         """
diff --git a/persipubsub/queue.py b/persipubsub/queue.py
index 01163fa..a55ac64 100644
--- a/persipubsub/queue.py
+++ b/persipubsub/queue.py
@@ -155,7 +155,7 @@ class _Queue:
     """
     Queue messages persistently from many publishers for many subscribers.
 
-    :ivar config_pth: path to the JSON config file
+    :ivar path: to the queue
     :vartype config_pth: pathlib.Path
     :ivar env: LMDB environment on disk
     :vartype env: lmdb.Environment