diff --git a/discord/ext/commands/converter.py b/discord/ext/commands/converter.py
index 730b34417..fdc7649bf 100644
--- a/discord/ext/commands/converter.py
+++ b/discord/ext/commands/converter.py
@@ -608,8 +608,8 @@ ColorConverter = ColourConverter
 class RoleConverter(IDConverter):
     """Converts to a :class:`~discord.Role`.
 
-    All lookups are via the local guild. If in a DM context, then the lookup
-    is done by the global cache.
+    All lookups are via the local guild. If in a DM context, the converter raises
+    :exc:`.NoPrivateMessage` exception.
 
     The lookup strategy is as follows (in order):