diff --git a/src/file_type.zig b/src/file_type.zig
index eeb339a..4b2c5b5 100644
--- a/src/file_type.zig
+++ b/src/file_type.zig
@@ -100,6 +100,7 @@ fn DeclLang(comptime lang: []const u8, comptime args: FileTypeOptions) FileType
         .comment = args.comment,
         .highlights = if (args.highlights) |h| h else @embedFile("tree-sitter-" ++ lang ++ "/queries/highlights.scm"),
         .injections = args.injections,
+        .first_line_matches = args.first_line_matches,
     };
 }
 
diff --git a/src/file_types.zig b/src/file_types.zig
index 2178b9b..21c324c 100644
--- a/src/file_types.zig
+++ b/src/file_types.zig
@@ -8,7 +8,7 @@ pub const bash = .{
     .icon = "󱆃",
     .extensions = &[_][]const u8{ "sh", "bash" },
     .comment = "#",
-    .first_line_matches = .{ .prefix = "#!", .content = "bash" },
+    .first_line_matches = .{ .prefix = "#!", .content = "sh" },
 };
 
 pub const c = .{
@@ -62,7 +62,7 @@ pub const dockerfile = .{
 
 pub const dtd = .{
     .icon = "󰗀",
-    .extensions = &[_][]const u8{ "dtd" },
+    .extensions = &[_][]const u8{"dtd"},
     .comment = "<!--",
     .highlights = @embedFile("tree-sitter-xml/dtd/queries/highlights.scm"),
 };
@@ -137,6 +137,7 @@ pub const lua = .{
     .extensions = &[_][]const u8{"lua"},
     .comment = "--",
     .injections = @embedFile("tree-sitter-lua/queries/injections.scm"),
+    .first_line_matches = .{ .prefix = "--", .content = "lua" },
 };
 
 pub const make = .{
@@ -210,6 +211,7 @@ pub const php = .{
     .injections = @embedFile("tree-sitter-php/queries/injections.scm"),
 };
 
+// conflicts with haskell
 // pub const purescript = .{
 //     .extensions = &[_][]const u8{"purs"},
 //     .comment = "--",
@@ -268,7 +270,7 @@ pub const typescript = .{
 
 pub const xml = .{
     .icon = "󰗀",
-    .extensions = &[_][]const u8{ "xml" },
+    .extensions = &[_][]const u8{"xml"},
     .comment = "<!--",
     .highlights = @embedFile("tree-sitter-xml/xml/queries/highlights.scm"),
     .first_line_matches = .{ .prefix = "<?xml " },