diff --git a/src/main/resources/de/prob2/jupyter/kernelspecfiles/kernel.js b/src/main/resources/de/prob2/jupyter/kernelspecfiles/kernel.js
index fb55f0005c74c013e573225404d73b78c2cb79c3..1a8afd31f8c94ff01d6121d6d6fd12e296b4b7a5 100644
--- a/src/main/resources/de/prob2/jupyter/kernelspecfiles/kernel.js
+++ b/src/main/resources/de/prob2/jupyter/kernelspecfiles/kernel.js
@@ -335,7 +335,7 @@ define([
 			});
 			
 			CodeMirror.defineMIME("text/x-classicalb", "classicalb");
-			CodeMirror.defineMIME("text/x-prob2-jupyter-repl", "prob2_jupter_repl");
+			CodeMirror.defineMIME("text/x-prob2-jupyter-repl", "prob2_jupyter_repl");
 			
 			// CodeMirror doesn't understand the text/latex MIME type by default.
 			CodeMirror.defineMIME("text/latex", "stex");