diff --git a/README.md b/README.md
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+# ACP Keyboard
+
+This is my custom keyboard layout. For the full spec, rationale, and images,
+please see the `spec.html` file in the repo or at the URL below:
+
+https://acperkins.com/acp/keyboard/src/branch/main/spec.html
+
+To download the Windows AutoHotKey build, see the GitHub Releases page at the
+URL below:
+
+https://acperkins.com/acp/keyboard/releases/latest
diff --git a/README.txt b/README.txt
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-                              ACP Keyboard
-                              ============
-
-This is my custom keyboard layout. For the full spec, rationale, and images,
-please see the spec.html file in the repo or at the URL below:
-
-   https://acperkins.com/acp/keyboard/src/branch/main/spec.html
-
-To download the Windows AutoHotKey build, see the GitHub Releases page at the
-URL below:
-
-   https://acperkins.com/acp/keyboard/releases/latest