diff --git a/runtime/queries/rust/highlights.scm b/runtime/queries/rust/highlights.scm
index 2981075fb..def29cb66 100644
--- a/runtime/queries/rust/highlights.scm
+++ b/runtime/queries/rust/highlights.scm
@@ -30,6 +30,7 @@
   (string_literal)
   (raw_string_literal)
 ] @string
+(line_comment (doc_comment)) @comment.documentation
 [
   (line_comment)
   (block_comment)