[nautilus] Bug.md: Use GitLab URL

[Carlos Soriano <csoriano src gnome org>]

commit b82f4a3848b777ee7113a7a1e0bcc89f21d31342
Author: Carlos Soriano <csoriano1618 gmail com>
Date:   Tue Jun 12 07:48:57 2018 +0000

    Bug.md: Use GitLab URL
    
    And explain that the file has to be saved as a flatpakref file.

 .gitlab/issue_templates/Bug.md | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)
---
diff --git a/.gitlab/issue_templates/Bug.md b/.gitlab/issue_templates/Bug.md
index 968876a63..b8b7b2f9b 100644
--- a/.gitlab/issue_templates/Bug.md
+++ b/.gitlab/issue_templates/Bug.md
@@ -12,14 +12,13 @@ Reproducible in:
     For that, follow these steps:
     1. Make sure Flatpak is installed or install it following these steps https://flatpak.org/setup
     2. Install the unstable version of the app following this link 
-    https://git.gnome.org/browse/gnome-apps-nightly/plain/nautilus.flatpakref
+    https://gitlab.gnome.org/GNOME/gnome-apps-nightly/blob/master/nautilus.flatpakref and save
+    it as a ".flatpakref" file
 
     If these steps failed, write in 'Other' the distribution you’re using and
     the version of the app.
-
-    Write yes or no after the semicolon.
 -->
-- Flatpak unstable: (yes or no)
+- Flatpak unstable: (yes or no) <!-- Write "yes" or "no" after the semicolon. -->
 - Other:
 
 # Current behavior