diff --git a/docs/magic.md b/docs/magic.md
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+Magic File for Model Information
+------------------------
+
+Until these models are registered with MIME/Media info you can add this to your local magic file to get simple model details without a hex editor.
+
+### Prepare:
+Magic local data for file(1) command. Append this to your /etc/magic file. Insert here your local magic data. Format is described in magic(5). Hopefully this will reach upstream/mainline magic files for distributions soon.
+
+```
+0	string	tjgg	GGML/GGJT LLM model
+>0x4	lelong	<255	version=%d
+0	string	GGUF	GGUF LLM model
+>0x4	lelong	<255	version=%d
+```
diff --git a/grammars/magic b/grammars/magic
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+# Magic local data for file(1) command.
+# Append this to your /etc/magic file.
+# Insert here your local magic data. Format is described in magic(5).
+0	string	tjgg	GGML/GGJT LLM model
+>0x4	lelong	<255	version=%d
+0	string	GGUF	GGUF LLM model
+>0x4	lelong	<255	version=%d