diff --git a/README.md b/README.md
index dd4ad14..4e777f0 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,8 @@ $ klfc eurkey.json altgr.json control.json deadkeys.json -o output
 
 For Windows: Import in MSKLC. Set name (different to eurkey if eurkey already installed) and company name. Set working directory. Click Project -> Build DLL and Setup Package. Then install procuded setup.exe. Find installed keyboard in language settings of windows.
 
+For Linux: Run `uninstall-system.sh` if eurkey already installed (I bricked my space key without...) Run `install-system.sh`.
+
 # Orginal README
 The [EurKEY keyboard layout](https://eurkey.steffen.bruentjen.eu/start.html)
 source for the [Keyboard Layout Files Creator]( https://github.com/39aldo39/klfc) (KLFC)
diff --git a/deadkeys.json b/deadkeys.json
index 4428ec0..539fbc9 100644
--- a/deadkeys.json
+++ b/deadkeys.json
@@ -5,8 +5,7 @@
     {"pos": "7", "letters": [ "cdk:overdot", "cdk:overbar" ],  "capslock": false},
     {"pos": "\\", "letters": [ "cdk:symbol", "№" ],             "capslock": false},
     {"pos": "'", "letters": [ "cdk:acute", "cdk:umlaut" ],     "capslock": false},
-    {"pos": "~", "letters": [ "cdk:grave", "cdk:tilde" ],      "capslock": false},
-    {"pos": "M", "letters": [ "cdk:greek", "cdk:math" ],       "capslock": true}
+    {"pos": "~", "letters": [ "cdk:grave", "cdk:tilde" ],      "capslock": false}
   ],
   "customDeadKeys": [
     {