diff --git a/sys/doc.txt b/sys/doc.txt
index 7fa868c9c9..ee4a2fca9d 100644
--- a/sys/doc.txt
+++ b/sys/doc.txt
@@ -28,3 +28,9 @@
  * @ingroup     sys
  * @brief       Provides math libraries and utilities for RIOT
  */
+
+/**
+ * @defgroup    sys_memory_management Memory management
+ * @ingroup     sys
+ * @brief       Provides memory management implementations and utilities
+ */