diff --git a/Mathics3-notebook-frontends b/Mathics3-notebook-frontends
index faf4f03..8607c2b 160000
--- a/Mathics3-notebook-frontends
+++ b/Mathics3-notebook-frontends
@@ -1 +1 @@
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+Subproject commit 8607c2b78ac6233e78d3bf393a583bf8293da560
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diff --git a/install-kernel.py b/install-kernel.py
index 862e96e..e758e1f 100755
--- a/install-kernel.py
+++ b/install-kernel.py
@@ -26,7 +26,15 @@
         "{connection_file}",
     ],
     "display_name": DISPLAY_NAME,
-    "language": "mathematica",
+    "language": "wolfram",
+    "metadata": {
+        "language_info": {
+            "name": "wolfram",
+            "codemirror_mode": "gfm",
+            "file_extension": ".wl",
+            "mimetype": "text/x-wolfram",
+        },
+    },
 }