[gjs: 6/7] modified messsage

[Philip Chimento <pchimento src gnome org>]

commit eb8a6887d0c301bc6ccc5e1557798c0beccaab72
Author: veenanitk <veenanitks gmail com>
Date:   Sun Jun 6 13:53:11 2021 +0530

    modified messsage

 modules/core/overrides/Gio.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/modules/core/overrides/Gio.js b/modules/core/overrides/Gio.js
index 8d97f81d..6799b550 100644
--- a/modules/core/overrides/Gio.js
+++ b/modules/core/overrides/Gio.js
@@ -405,10 +405,10 @@ function* _listModelIterator() {
 
 function _promisify(proto, asyncFunc, finishFunc) {
     if (proto[asyncFunc] === undefined)
-        throw new Error(`${asyncFunc}`);
+        throw new Error(`${proto} has no method named ${asyncFunc}`);
 
     if (proto[finishFunc] === undefined)
-        throw new Error(`${finishFunc}`);
+        throw new Error(`${proto} has no method named ${finishFunc}`);
 
     if (proto[`_original_${asyncFunc}`] !== undefined)
         return;