diff --git a/docs/use-psa-crypto.md b/docs/use-psa-crypto.md
index c01265896f..8261b8b93c 100644
--- a/docs/use-psa-crypto.md
+++ b/docs/use-psa-crypto.md
@@ -16,9 +16,10 @@ module.
 
 Scope: `MBEDTLS_USE_PSA_CRYPTO` has no effect on the parts of the code that
 are specific to TLS 1.3; those parts always use PSA Crypto. The parts of the
-TLS 1.3 code that are common with TLS 1.2, however, follow this option (this
-is currently just the record protection code, and X.509). You need to enable
-`MBEDTLS_USE_PSA_CRYPTO` if you want TLS 1.3 to use PSA everywhere.
+TLS 1.3 code that are common with TLS 1.2, however, follow this option;
+currently this is the record protection code, computation of the running
+handshake hash, and X.509). You need to enable `MBEDTLS_USE_PSA_CRYPTO` if you
+want TLS 1.3 to use PSA everywhere.
 
 New APIs / API extensions
 -------------------------