Improve doc wording of PSA status field of mbedtls_cipher_context_t
diff --git a/include/mbedtls/cipher.h b/include/mbedtls/cipher.h
index 1d68b12..d6ecac6 100644
--- a/include/mbedtls/cipher.h
+++ b/include/mbedtls/cipher.h
@@ -326,8 +326,8 @@
     /** Indicates whether the cipher operations should be performed
      *  by Mbed TLS' own crypto library or an external implementation
      *  of the PSA Crypto API.
-     *  This is unset if the cipher context is established through
-     *  mbedtls_cipher_setup(), and set if it is established through
+     *  This is unset if the cipher context was established through
+     *  mbedtls_cipher_setup(), and set if it was established through
      *  mbedtls_cipher_setup_psa().
      */
     unsigned char psa_enabled;