diff --git a/cpukit/include/rtems/score/cpustdatomic.h b/cpukit/include/rtems/score/cpustdatomic.h
index 899f52cd83..9b9e9d6201 100644
--- a/cpukit/include/rtems/score/cpustdatomic.h
+++ b/cpukit/include/rtems/score/cpustdatomic.h
@@ -3,6 +3,8 @@
 /**
  * @file
  * 
+ * @ingroup RTEMSScoreAtomicCPU
+ *
  * @brief This header file provides the interfaces of the
  *   @ref RTEMSScoreAtomicCPU.
  */