From ad20e3066e155ff73bcf5de343fa424abd110ab5 Mon Sep 17 00:00:00 2001
From: Rapptz <rapptz@gmail.com>
Date: Mon, 26 Jun 2017 18:13:46 -0400
Subject: [PATCH] [commands] Add parameter that failed in fall-back BadArgument
 error.

---
 discord/ext/commands/core.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/discord/ext/commands/core.py b/discord/ext/commands/core.py
index 567efde56..cc8dd8bfd 100644
--- a/discord/ext/commands/core.py
+++ b/discord/ext/commands/core.py
@@ -259,7 +259,7 @@ class Command:
             except AttributeError:
                 name = converter.__class__.__name__
 
-            raise BadArgument('Converting to "{}" failed.'.format(name)) from e
+            raise BadArgument('Converting to "{}" failed for parameter "{}".'.format(name, param.name)) from e
 
     @property
     def clean_params(self):