changelog: fix typos and working

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/ChangeLog.d/8357.txt b/ChangeLog.d/8357.txt
index 24ba140..9cae396 100644
--- a/ChangeLog.d/8357.txt
+++ b/ChangeLog.d/8357.txt
@@ -1,8 +1,8 @@
 Features
    * It is now possible to have AEADs support (CCM, GCM and ChaChaPoly) without
      MBEDTLS_CIPHER_C. This holds both for the builtin suport (MBEDTLS_CCM_C,
-     MBEDTLS_GCM_C and MBEDTLS_CHACHAPOLY_c) as well as the PSA one
+     MBEDTLS_GCM_C and MBEDTLS_CHACHAPOLY_C) as well as the PSA one
      (PSA_WANT_ALG_CCM, PSA_WANT_ALG_GCM, PSA_WANT_ALG_CHACHA20_POLY1305).
      On the PSA side this means that it is possible to enable
-     MBEDTLS_PSA_CRYPTO_C without MBEDTLS_CIPHER_C if any of the
+     MBEDTLS_PSA_CRYPTO_C without MBEDTLS_CIPHER_C if none of the
      non-authenticated ciphers is enabled.