Further clarify a comment
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/include/mbedtls/md.h b/include/mbedtls/md.h
index a5dfb68..7bad24d 100644
--- a/include/mbedtls/md.h
+++ b/include/mbedtls/md.h
@@ -36,15 +36,16 @@
/*
* - MBEDTLS_MD_CAN_xxx is defined if the md module can perform xxx.
- * - MBEDTLS_MD_xxx_VIA_PSA is defined if the md module performs xxx via PSA
- * (when PSA Crypto is initialized).
- * - MBEDTLS_MD_SOME_PSA is defined if at least one algorithm is performed
- * via PSA.
- * - MBEDTLS_MD_SOME_LEGACY is defined if at least one algorithm is performed
- * via a direct legacy call.
+ * - MBEDTLS_MD_xxx_VIA_PSA is defined if the md module may perform xxx via PSA
+ * (see below).
+ * - MBEDTLS_MD_SOME_PSA is defined if at least one algorithm may be performed
+ * via PSA (see below).
+ * - MBEDTLS_MD_SOME_LEGACY is defined if at least one algorithm may be performed
+ * via a direct legacy call (see below).
*
* The md module performs an algorithm via PSA if there is a PSA hash
- * accelerator, and makes a direct legacy call otherwise.
+ * accelerator and the PSA driver subsytem is initialized at the time the
+ * operation is started, and makes a direct legacy call otherwise.
*/
/* PSA accelerated implementations */