Clarfiy SHA224 and SHA256 documentation

Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
diff --git a/configs/config-ccm-psk-tls1_2.h b/configs/config-ccm-psk-tls1_2.h
index 8a8e729..e54e7a0 100644
--- a/configs/config-ccm-psk-tls1_2.h
+++ b/configs/config-ccm-psk-tls1_2.h
@@ -48,8 +48,9 @@
 #define MBEDTLS_ENTROPY_C
 #define MBEDTLS_MD_C
 #define MBEDTLS_NET_C
-/* Library does not support enabling SHA-224 without SHA-256. Future version will
- * have this option disabled by default. */
+/* The library does not currently support enabling SHA-224 without SHA-256.
+ * A future version of the library will have this option disabled
+ * by default. */
 #define MBEDTLS_SHA224_C
 #define MBEDTLS_SHA256_C
 #define MBEDTLS_SSL_CLI_C