diff --git a/hal/spm_api.h b/hal/spm_api.h
index da27b1bb99..593fbff1c4 100644
--- a/hal/spm_api.h
+++ b/hal/spm_api.h
@@ -29,7 +29,8 @@ extern "C" {
 #endif
 
 
-/** @defgroup SPM HAL
+/** @defgroup SPM-HAL SPM HAL API
+ *  The HAL functions for PSA SPM
  * @{
  */