diff --git a/.editorconfig b/.editorconfig
index 7564b3596f043..ec8a51f2314be 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -12,6 +12,6 @@ insert_final_newline = true
 [package.json]
 insert_final_newline = false
 
-[*.{md,asciidoc}]
+[*.{md,mdx,asciidoc}]
 trim_trailing_whitespace = false
 insert_final_newline = false