fix macros documentation style.
diff --git a/include/psa/crypto.h b/include/psa/crypto.h
index c45fccd..8e20013 100755
--- a/include/psa/crypto.h
+++ b/include/psa/crypto.h
@@ -1073,7 +1073,24 @@
* @{
*/
-// This macro calculates the encryption output size according to given algorithm
+
+/** AEAD Encrypted data size
+ *
+ * This macro calculates the encrypted data size according to given algorithm
+ * and plaintext_length.
+ *
+ *
+ * \param alg The AEAD algorithm to compute
+ * (\c PSA_ALG_XXX value such that
+ * #PSA_ALG_IS_AEAD(alg) is true).
+ * \param plaintext_length Size of \p plaintext in bytes.
+ *
+ * \return If the algorithm is PSA_ALG_GCM the encrypted data size is
+ * plaintext_length plus 16-bytes for tag.
+ * If the algorithm is PSA_ALG_CCM the encrypted data size is
+ * plaintext_length plus 16-bytes for tag.
+ * Otherwise return zero.
+ */
#define PSA_AEAD_ENCRYPT_OUTPUT_SIZE(alg, plaintext_length) \
((alg) == PSA_ALG_GCM ? (plaintext_length) + 16 : \
(alg) == PSA_ALG_CCM ? (plaintext_length) + 16 : \
@@ -1132,7 +1149,23 @@
size_t ciphertext_size,
size_t *ciphertext_length );
-// This macro calculates the decryption output size according to given algorithm
+/** AEAD Decrypted data size
+ *
+ * This macro calculates the decrypted data size according to given algorithm
+ * and ciphertext_length.
+ *
+ *
+ * \param alg The AEAD algorithm to compute
+ * (\c PSA_ALG_XXX value such that
+ * #PSA_ALG_IS_AEAD(alg) is true).
+ * \param ciphertext_length Size of \p ciphertext in bytes.
+ *
+ * \return If the algorithm is PSA_ALG_GCM the decrypted data size is
+ * ciphertext_length minus 16-bytes for tag.
+ * If the algorithm is PSA_ALG_CCM the decrypted data size is
+ * ciphertext_length minus 16-bytes for tag.
+ * Otherwise return zero.
+ */
#define PSA_AEAD_DECRYPT_OUTPUT_SIZE(alg, ciphertext_length) \
((alg) == PSA_ALG_GCM ? (ciphertext_length) - 16 : \
(alg) == PSA_ALG_CCM ? (ciphertext_length) - 16 : \