Fix some copypasta in one-shot hash and MAC function descriptions
diff --git a/include/psa/crypto.h b/include/psa/crypto.h
index 6f74ba7..dd45996 100644
--- a/include/psa/crypto.h
+++ b/include/psa/crypto.h
@@ -830,8 +830,7 @@
* \param hash_size Size of the \p hash buffer in bytes.
* \param[out] hash_length On success, the number of bytes
* that make up the hash value. This is always
- * #PSA_HASH_SIZE(\c alg) where \c alg is the
- * hash algorithm that is calculated.
+ * #PSA_HASH_SIZE(\p alg).
*
* \retval #PSA_SUCCESS
* Success.
@@ -1145,9 +1144,7 @@
* \param[out] mac Buffer where the MAC value is to be written.
* \param mac_size Size of the \p mac buffer in bytes.
* \param[out] mac_length On success, the number of bytes
- * that make up the mac value. This is always
- * #PSA_HASH_SIZE(\c alg) where \c alg is the
- * hash algorithm that is calculated.
+ * that make up the MAC value.
*
* \retval #PSA_SUCCESS
* Success.