mbedtls_config.h: paraphrase code size saving in comment
Signed-off-by: Yanray Wang <yanray.wang@arm.com>
diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index 9da7580..3898471 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -530,7 +530,7 @@
* Uncommenting this macro removes support for AES operations that use 192-
* or 256-bit keys.
*
- * Tradeoff: Uncommenting this macro reduces ROM footprint by ~1116 bytes.
+ * Tradeoff: Uncommenting this macro reduces the size of AES code by about 4%.
*
* If uncommented, uncomment also MBEDTLS_CTR_DRBG_USE_128_BIT_KEY
*