diff --git a/Readme.md b/Readme.md
index f3d9981..dbf8e5c 100644
--- a/Readme.md
+++ b/Readme.md
@@ -49,10 +49,8 @@ The Software is Open-Source and can be downloaded from [Sourceforge](https://sou
 
 The GMC device has to be enabled in the `geigerlog.cfg` which is located in the main program directory. Because GS (GammaScout) is preactivated, it can be disabled, while you want to enable GMC
 
-```-#GSActivation = no
--GSActivation = yes
-+GSActivation = no
-+#GSActivation = yes
+```GSActivation = no
+GMCActivation = yes
 ```
 
 The GMC* defaults are quite sane, but you might want to set the correct serial port: