diff --git a/vendor-overwrites/beautify/README.md b/vendor-overwrites/beautify/README.md
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+## beautify-css - modified from v1.6.12
+
+Beautify-css was **heavily** modified from its source:
+
+https://github.com/beautify-web/js-beautify/blob/v1.6.12/js/lib/beautify-css.js
+
+After this version the source repo split the file and built it using webpack.
+
+Our version has more options & modes. It should be considered a fork of the original.
diff --git a/vendor-overwrites/colorpicker/README.md b/vendor-overwrites/colorpicker/README.md
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+## color-picker - forked from v1.0.9
+
+codemirror-colorpicker was heavily modified from its source:
+
+https://github.com/easylogic/codemirror-colorpicker/...
+
+Shortly after this version the source repo split the file and built it using rollup. It should be considered a fork of the original.
diff --git a/vendor-overwrites/csslint/README.md b/vendor-overwrites/csslint/README.md
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+## css-lint - modified from v0.10.0 (2013-08-15)
+
+This version has been heavily modified since [it was originally added](https://github.com/openstyles/stylus/commit/b4173d68f6312300ab761f5454d7a8fb230d2bce#diff-4392791c2f6559cb1de01b0e1f3e1c08) in Stylish v1.3.0. It should be considered a fork of the [original](https://github.com/CSSLint/csslint).