diff --git a/src/file_types.zig b/src/file_types.zig
index c0c8467..6d3ac12 100644
--- a/src/file_types.zig
+++ b/src/file_types.zig
@@ -325,7 +325,7 @@ pub const markdown = .{
     .description = "Markdown",
     .color = 0x000000,
     .icon = "󰍔",
-    .extensions = .{"md"},
+    .extensions = .{"md", "smd"},
     .comment = "<!--",
     .highlights = "tree-sitter-markdown/tree-sitter-markdown/queries/highlights.scm",
     .injections = "tree-sitter-markdown/tree-sitter-markdown/queries/injections.scm",