diff --git a/src/my9221/my9221.h b/src/my9221/my9221.h
index 8f693daa..935d3d5e 100644
--- a/src/my9221/my9221.h
+++ b/src/my9221/my9221.h
@@ -43,7 +43,7 @@ namespace upm {
  * @ingroup seeed display gpio
  */
 /**
- * @library libupm-my9221
+ * @library my9221
  * @sensor my9221
  * @comname LED bar
  * @type display