diff --git a/docs/source/glossary.rst b/docs/source/glossary.rst
index 80ae1ecc..de9d354d 100644
--- a/docs/source/glossary.rst
+++ b/docs/source/glossary.rst
@@ -56,6 +56,7 @@ Terms
     Userbot
         Also known as *user bot* or *ubot* for short, is a user logged in by third-party Telegram libraries --- such as
         Pyrogram --- to automate some behaviours, like sending messages or reacting to text commands or any other event.
+        Not to be confused with *bot*, that is, a normal Telegram bot created by `@BotFather <https://t.me/botfather>`_.
 
     Session
         Also known as *login session*, is a strictly personal piece of data created and held by both parties
diff --git a/pyrogram/client/methods/chats/delete_user_history.py b/pyrogram/client/methods/chats/delete_user_history.py
new file mode 100644
index 00000000..c374d911
--- /dev/null
+++ b/pyrogram/client/methods/chats/delete_user_history.py
@@ -0,0 +1,53 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2019 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+from typing import Union
+
+from pyrogram.api import functions, types
+from pyrogram.client.ext import BaseClient
+
+
+class DeleteUserHistory(BaseClient):
+    def delete_user_history(
+        self,
+        chat_id: Union[int, str],
+        user_id: Union[int, str],
+    ) -> bool:
+        """Delete all messages sent by a certain user in a supergroup.
+
+        Parameters:
+            chat_id (``int`` | ``str``):
+                Unique identifier (int) or username (str) of the target chat.
+
+            user_id (``int`` | ``str``):
+                Unique identifier (int) or username (str) of the user whose messages will be deleted.
+
+        Returns:
+            ``bool``: True on success, False otherwise.
+        """
+
+        r = self.send(
+            functions.channels.DeleteUserHistory(
+                channel=self.resolve_peer(chat_id),
+                user_id=self.resolve_peer(user_id)
+                )
+            )
+
+        # Deleting messages you don't have right onto won't raise any error.
+        # Check for pts_count, which is 0 in case deletes fail.
+        return bool(r.pts_count)
diff --git a/pyrogram/client/methods/users/update_profile.py b/pyrogram/client/methods/users/update_profile.py
new file mode 100644
index 00000000..c543156d
--- /dev/null
+++ b/pyrogram/client/methods/users/update_profile.py
@@ -0,0 +1,70 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2019 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+from pyrogram.api import functions
+from ...ext import BaseClient
+
+
+class UpdateProfile(BaseClient):
+    def update_profile(
+        self,
+        first_name: str = None,
+        last_name: str = None,
+        bio: str = None
+    ) -> bool:
+        """Update your profile details such as first name, last name and bio.
+        
+        You can omit the parameters you don't want to change.
+        
+        Parameters:
+            first_name (``str``, *optional*):
+                The new first name.
+        
+            last_name (``str``, *optional*):
+                The new last name.
+                Pass "" (empty string) to remove it.
+
+            bio (``str``, *optional*):
+                The new bio, also known as "about". Max 70 characters.
+                Pass "" (empty string) to remove it.
+                
+        Returns:
+            ``bool``: True on success.
+        
+        Example:
+            .. code-block:: python
+                
+                # Update your first name only
+                app.update_bio(first_name="Pyrogram")
+                
+                # Update first name and bio
+                app.update_bio(first_name="Pyrogram", bio="https://docs.pyrogram.org/")
+                
+                # Remove the last name
+                app.update_bio(last_name="")
+        """
+
+        return bool(
+            self.send(
+                functions.account.UpdateProfile(
+                    first_name=first_name,
+                    last_name=last_name,
+                    about=bio
+                )
+            )
+        )