diff --git a/discord/member.py b/discord/member.py
index 1e4717770..afce4c348 100644
--- a/discord/member.py
+++ b/discord/member.py
@@ -643,7 +643,8 @@ class Member(discord.abc.Messageable, _BaseUser):
         Gives the member a number of :class:`Role`\s.
 
         You must have the :attr:`~Permissions.manage_roles` permission to
-        use this.
+        use this, and the added :class:`Role`\s must appear lower in the list
+        of roles than the highest role of the member.
 
         Parameters
         -----------
@@ -681,7 +682,8 @@ class Member(discord.abc.Messageable, _BaseUser):
         Removes :class:`Role`\s from this member.
 
         You must have the :attr:`~Permissions.manage_roles` permission to
-        use this.
+        use this, and the removed :class:`Role`\s must appear lower in the list
+        of roles than the highest role of the member.
 
         Parameters
         -----------