mbedtls_config.h: rewrite comment for AES_ONLY_128_BIT_KEY_LENGTH
Signed-off-by: Yanray Wang <yanray.wang@arm.com>
diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index ce3a78d..aa4ce23 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -527,15 +527,15 @@
*
* Use only 128-bit keys in AES operations to save ROM.
*
- * Uncommenting this macro removes support for AES operations that use 192-
+ * Uncomment this macro to remove support for AES operations that use 192-
* or 256-bit keys.
*
- * Tradeoff: Uncommenting this macro reduces the size of AES code by about 4%.
+ * Uncommenting this macro reduces the size of AES code by ~300 bytes
+ * on v8-M/Thumb2.
*
* Module: library/aes.c
*
* Requires: MBEDTLS_AES_C
- *
*/
//#define MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH