diff --git a/AUTHORS.md b/AUTHORS.md
index 49e32ec89..021f8e7a9 100644
--- a/AUTHORS.md
+++ b/AUTHORS.md
@@ -495,6 +495,7 @@
 - infinity0x
 - jeongminkim-islab
 - josch
+- k6G52m4Dz75W
 - kaizshang91
 - lawcho
 - lifeunleaded
diff --git a/changelog.md b/changelog.md
index f7df3615c..d41a5809f 100644
--- a/changelog.md
+++ b/changelog.md
@@ -26,6 +26,8 @@
 
   * Text.Pandoc.Readers.HTML.TagCategories (unexported): export `voidTags`.
 
+  * epub.css: Add support for dark mode (k6G52m4Dz75W).
+
   * WASM build: restore legacy exception handling,
     for compatibility with wasmtime (#11787).