1 files changed, 8 insertions, 2 deletions
diff --git a/synapse/handlers/profile.py b/synapse/handlers/profile.py
index 1dfbde84fd..a65c98ff5c 100644
--- a/synapse/handlers/profile.py
+++ b/synapse/handlers/profile.py
@@ -147,8 +147,14 @@ class BaseProfileHandler(BaseHandler):
 
     @defer.inlineCallbacks
     def set_displayname(self, target_user, requester, new_displayname, by_admin=False):
-        """target_user is the user whose displayname is to be changed;
-        auth_user is the user attempting to make this change."""
+        """Set the displayname of a user
+
+        Args:
+            target_user (UserID): the user whose displayname is to be changed.
+            requester (Requester): The user attempting to make this change.
+            new_displayname (str): The displayname to give this user.
+            by_admin (bool): Whether this change was made by an administrator.
+        """
         if not self.hs.is_mine(target_user):
             raise SynapseError(400, "User is not hosted on this Home Server")