diff --git a/README.rst b/README.rst
index f6514e9b..6c875a60 100644
--- a/README.rst
+++ b/README.rst
@@ -28,6 +28,7 @@ Custom Features
 - Added support for ``int()`` to ``discord.User``, ``discord.Member``, ``discord.Emoji``, ``discord.Role``, ``discord.Guild``, ``discord.Message``, ``discord.TextChannel``, ``discord.VoiceChannel``, ``discord.CategoryChannel``, ``discord.Attachment`` and ``discord.Message``. This will return their id
 - Added support for ``str()`` to ``discord.Message``. This will return the message content
 - Added ``Guild.try_member``
+- Added ``Context.clean_prefix``
 
 Key Features
 -------------
diff --git a/discord/ext/commands/context.py b/discord/ext/commands/context.py
index 79766499..8d17bca6 100644
--- a/discord/ext/commands/context.py
+++ b/discord/ext/commands/context.py
@@ -87,7 +87,9 @@ class Context(discord.abc.Messageable):
 
     @property
     def clean_prefix(self):
-        """:class:`str`: The cleaned up invoke prefix. i.e. mentions are ``@name`` instead of ``<@id>``."""
+        """:class:`str`: The cleaned up invoke prefix. i.e. mentions are ``@name`` instead of ``<@id>``.
+        
+        .. versionadded:: 1.5.1.4"""
         user = self.guild.me if self.guild else self.bot.user
         pattern = re.compile(r"<@!?%s>" % user.id)
         return pattern.sub("@%s" % user.display_name.replace('\\', r'\\'), self.prefix)
diff --git a/docs/index.rst b/docs/index.rst
index 95a34c09..761ec902 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -33,6 +33,7 @@ Custom Features
 - Added support for ``int()`` to ``discord.User``, ``discord.Member``, ``discord.Emoji``, ``discord.Role``, ``discord.Guild``, ``discord.Message``, ``discord.TextChannel``, ``discord.VoiceChannel``, ``discord.CategoryChannel``, ``discord.Attachment`` and ``discord.Message``. This will return their id
 - Added support for ``str()`` to ``discord.Message``. This will return the message content
 - Added ``Guild.try_member``
+- Added ``Context.clean_prefix``
 
 Features
 --------