diff --git a/software/firmware/energy-montior/README.md b/software/firmware/energy-montior/README.md
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--- a/software/firmware/energy-montior/README.md
+++ b/software/firmware/energy-montior/README.md
@@ -96,6 +96,6 @@ The code just prints the current power consumption to serial out:
 ## Links
 
 * A very comprehensive project to build an energy monitor can be found in the [ESP32 + ESPHome Open Source Energy Monitor project by Daniel BP](https://github.com/danpeig/ESP32EnergyMonitor).
-* A nice [video tutorial can be found at Eddie's Techlab](https://edistechlab.com/sct013-sensor-zum-wechselstrom-messen/).
+* A nice (German) [video tutorial can be found at Eddie's Techlab](https://edistechlab.com/sct013-sensor-zum-wechselstrom-messen/).
 * Have a look at the [complete documentation of the Open Energy Monitor project](https://docs.openenergymonitor.org/).
 * There is also a German [example project](http://www.technik-fan.de/index.php/Open_Energy_Monitor_mit_dem_ESP32) (that currently cannot be reached over TLS, so be careful before clicking this link).
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