diff --git a/doc/Support/FAQ.md b/doc/Support/FAQ.md
index 9b32976360..e45c758ce7 100644
--- a/doc/Support/FAQ.md
+++ b/doc/Support/FAQ.md
@@ -182,7 +182,7 @@ here are those values:
#### Why does a device show as a warning?
This is indicating that the device has rebooted within the last 24 hours (by default). If you want to adjust this
-threshold then you can do so by setting `$config['uptime_warning']` in config.php. The value must be in seconds.
+threshold then you can do so by setting `$config['uptime_warning'] = '84600';` in `config.php`. The value must be in seconds.
#### Why do I not see all interfaces in the Overall traffic graph for a device?