diff --git a/queries/hurl/highlights.scm b/queries/hurl/highlights.scm
index 81c6911..0d7e016 100644
--- a/queries/hurl/highlights.scm
+++ b/queries/hurl/highlights.scm
@@ -27,3 +27,7 @@
 [
  (status_code_pattern)
 ] @constant
+
+(comment) @comment
+
+(assert_literal) @constant.buildin
diff --git a/queries/hurl/injections.scm b/queries/hurl/injections.scm
new file mode 100644
index 0000000..bf06a4c
--- /dev/null
+++ b/queries/hurl/injections.scm
@@ -0,0 +1,3 @@
+(json_request_declaration) @json
+
+(text_body_declaration) @markdown