diff --git a/LICENSE b/LICENSE.md
similarity index 100%
rename from LICENSE
rename to LICENSE.md
diff --git a/app/app.py b/app/app.py
index 1282de7..5c91947 100644
--- a/app/app.py
+++ b/app/app.py
@@ -1,5 +1,5 @@
 # Copyright (c) 2025 Martin Kayser (tebarius)
-# Licensed under the MIT License. See LICENSE file in the project root.
+# Licensed under the MIT License. See LICENSE.md file in the project root.
 import streamlit as st
 
 import tools
diff --git a/app/helper.py b/app/helper.py
index 9bd8495..3a7db4e 100644
--- a/app/helper.py
+++ b/app/helper.py
@@ -1,5 +1,5 @@
 # Copyright (c) 2025 Martin Kayser (tebarius)
-# Licensed under the MIT License. See LICENSE file in the project root.
+# Licensed under the MIT License. See LICENSE.md file in the project root.
 import math
 from re import match  # für unkennify
 import streamlit as st
diff --git a/app/tools.py b/app/tools.py
index 25ddefc..ba6dc89 100644
--- a/app/tools.py
+++ b/app/tools.py
@@ -1,5 +1,5 @@
 # Copyright (c) 2025 Martin Kayser (tebarius)
-# Licensed under the MIT License. See LICENSE file in the project root.
+# Licensed under the MIT License. See LICENSE.md file in the project root.
 from itertools import chain # für primfaktoren zerlegung
 import helper
 import pandas as pd
diff --git a/examples.py b/examples.py
index 6208d5c..001bb15 100644
--- a/examples.py
+++ b/examples.py
@@ -1,5 +1,5 @@
 # Copyright (c) 2025 Martin Kayser (tebarius)
-# Licensed under the MIT License. See LICENSE file in the project root.
+# Licensed under the MIT License. See LICENSE.md file in the project root.
 # start with: streamlit run examples.py
 import streamlit as st