diff --git a/tools/mtmd/mtmd-helper.h b/tools/mtmd/mtmd-helper.h
index cf6e0edc00..4c89736597 100644
--- a/tools/mtmd/mtmd-helper.h
+++ b/tools/mtmd/mtmd-helper.h
@@ -126,7 +126,7 @@ struct mtmd_helper_video_init_params {
     // TODO @ngxson : allow "placeholder" bitmap output for counting tokens
 };
 
-// note: these are NOT thread-safe, setter should only be called on application startup
+// note: setter is NOT thread-safe, should only be called on application startup
 MTMD_API struct mtmd_helper_video_init_params mtmd_helper_video_get_default_params(void);
 MTMD_API void mtmd_helper_video_set_default_params(struct mtmd_helper_video_init_params params);