Add missing asterisk to doxygen closures

Clarify section names next to closing braces
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 209dbf6..610b8b1 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -349,7 +349,7 @@
 #define MBEDTLS_SSL_TLS1_3_PADDING_GRANULARITY 1
 #endif
 
-/* \} name SECTION: Module settings */
+/** \} name SECTION: Module settings */
 
 /*
  * Length of the verify data for secure renegotiation