diff --git a/LICENSE b/LICENSE
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+++ b/LICENSE
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+The MIT License
+
+Copyright (c) 2023 Freya Murphy
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
diff --git a/README.md b/README.md
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+### nbtvis
+
+Command line visualizer for the minecraft [NBT](https://wiki.vg/NBT) data file format.
+
+#### usage
+
+`nbtvis <file.nbt>`
+
+You can know if a file is NBT if the first byte in hexdump is `0a`
+
+#### complementation
+
+To build and install run
+
+```
+make build
+sudo make install
+```
+
+The binary will be installed to `/usr/lcoal/bin/nbtvis`
+
+#### license
+
+This project is licensed under the [MIT](https://mit-license.org/) license