diff --git a/PiSugar-Power-Manager-(Software).md b/PiSugar-Power-Manager-(Software).md
index 032e247..41c42f4 100644
--- a/PiSugar-Power-Manager-(Software).md
+++ b/PiSugar-Power-Manager-(Software).md
@@ -127,7 +127,9 @@ Or
 | set_safe_shutdown_delay | set auto shutdown delay in second | safe_shutdown_delay [number]|
 | set_battery_charging_range | set charging range | set_battery_charging_range [number, number]|
 
-## Server Configuration
+## Server Config
+
+You can manually edit `/etc/pisugar-server/config.json` to update the config.
 
 https://github.com/PiSugar/pisugar-power-manager-rs/blob/master/doc/config.md