diff --git a/designs/README.md b/designs/README.md
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--- /dev/null
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+Copy `adminer.css` alongside Adminer PHP script to use an alternative design.
+If the design supports dark mode then it should be named `adminer-dark.css`.
+
+Gallery of designs (including external): https://www.adminer.org/#extras
+
+See also: [plugins/designs.php](/plugins/designs.php)
diff --git a/designs/readme.txt b/designs/readme.txt
deleted file mode 100644
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--- a/designs/readme.txt
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-Copy adminer.css alongside Adminer PHP script to use an alternative design.
-
-If the design supports dark mode then it should be named adminer-dark.css.