diff --git a/common/test_utils.h b/common/test_utils.h
index 44b7aa1..63ea749 100644
--- a/common/test_utils.h
+++ b/common/test_utils.h
@@ -78,7 +78,7 @@
 
 void FillWithData(brillo::Blob* buffer);
 
-// Compare the value of native array for download source parameter.
+// Compare the value of builtin array for download source parameter.
 MATCHER_P(DownloadSourceMatcher, source_array, "") {
   return std::equal(source_array, source_array + kNumDownloadSources, arg);
 }