diff --git a/library/psa_crypto_aead.h b/library/psa_crypto_aead.h
index e18e85d..320f835 100644
--- a/library/psa_crypto_aead.h
+++ b/library/psa_crypto_aead.h
@@ -83,7 +83,7 @@
     const uint8_t *nonce, size_t nonce_length,
     const uint8_t *additional_data, size_t additional_data_length,
     const uint8_t *plaintext, size_t plaintext_length,
-    uint8_t *ciphertext, size_t ciphertext_size, size_t *ciphertext_length );
+    uint8_t *ciphertext, size_t ciphertext_size, size_t *ciphertext_length);
 
 /**
  * \brief Process an authenticated decryption operation.
@@ -146,6 +146,6 @@
     const uint8_t *nonce, size_t nonce_length,
     const uint8_t *additional_data, size_t additional_data_length,
     const uint8_t *ciphertext, size_t ciphertext_length,
-    uint8_t *plaintext, size_t plaintext_size, size_t *plaintext_length );
+    uint8_t *plaintext, size_t plaintext_size, size_t *plaintext_length);
 
 #endif /* PSA_CRYPTO_AEAD_H */