diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 34353da..960a262 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -1342,8 +1342,8 @@
                                                                   *    it references.                  */
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
-    /* The application data transform in TLS 1.3.
-     * This pointer owns the transform it references. */
+    /*! The application data transform in TLS 1.3.
+     *  This pointer owns the transform it references. */
     mbedtls_ssl_transform *MBEDTLS_PRIVATE(transform_application);
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
 
diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index 174bad8..0b64e01 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -563,8 +563,8 @@
 #endif /* MBEDTLS_SSL_PROTO_DTLS */
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
-    /* TLS 1.3 transforms for 0-RTT and encrypted handshake messages.
-     * Those pointers own the transforms they reference. */
+    /*! TLS 1.3 transforms for 0-RTT and encrypted handshake messages.
+     *  Those pointers own the transforms they reference. */
     mbedtls_ssl_transform *transform_handshake;
     mbedtls_ssl_transform *transform_earlydata;
 #endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */