From e6bcc232ed04f91501ab998080b1e738ac67bc37 Mon Sep 17 00:00:00 2001
From: Erovia <Erovia@users.noreply.github.com>
Date: Tue, 7 Jul 2020 19:22:38 +0100
Subject: Docs: update ModemManager recommendation (#9328)

Instead of modifying the service file provided by the distro,
use drop-in functionaly to explicitly specify the policy.
---
 docs/faq_build.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/faq_build.md b/docs/faq_build.md
index 7cfb0040d0..e2d0f9b27a 100644
--- a/docs/faq_build.md
+++ b/docs/faq_build.md
@@ -53,7 +53,7 @@ SUBSYSTEMS=="usb", ATTRS{idVendor}=="1b4f", ATTRS{idProduct}=="9203", TAG+="uacc
 
 **Note:** With older (before 1.12) ModemManager, filtering only works when not in strict mode, the following commands can update that settings:
 ```console
-sudo sed -i 's/--filter-policy=strict/--filter-policy=default/' /lib/systemd/system/ModemManager.service
+printf '[Service]\nExecStart=\nExecStart=/usr/sbin/ModemManager --filter-policy=default' | sudo tee /etc/systemd/system/ModemManager.service.d/policy.conf
 sudo systemctl daemon-reload
 sudo systemctl restart ModemManager
 ```
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