diff --git a/Misc/NEWS.d/next/Library/2018-08-15-16-22-30.bpo-31715.Iw8jS8.rst b/Misc/NEWS.d/next/Library/2018-08-15-16-22-30.bpo-31715.Iw8jS8.rst
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+Add mimetype for file extension ``.mjs``. This will allow ``python -m`` to
+support applications attempting to load ECMAScript Modules with the ``.mjs``
+extension.