diff --git a/include/psa/crypto_extra.h b/include/psa/crypto_extra.h
index b0ca76e73..9e8f97c9d 100644
--- a/include/psa/crypto_extra.h
+++ b/include/psa/crypto_extra.h
@@ -89,14 +89,14 @@ void mbedtls_psa_crypto_free( void );
  * This is an Mbed TLS extension.
  *
  * \note This function is only available on the following platforms:
- * * If the compile-time options MBEDTLS_ENTROPY_NV_SEED and 
- *   MBEDTLS_PSA_HAS_ITS_IO are both enabled. Note that you 
- *   must provide compatible implementations of mbedtls_nv_seed_read 
+ * * If the compile-time options MBEDTLS_ENTROPY_NV_SEED and
+ *   MBEDTLS_PSA_HAS_ITS_IO are both enabled. Note that you
+ *   must provide compatible implementations of mbedtls_nv_seed_read
  *   and mbedtls_nv_seed_write.
- * * In a client-server integration of PSA Cryptography, on the client side, 
+ * * In a client-server integration of PSA Cryptography, on the client side,
  *   if the server supports this feature.
- * \param seed[in]      Buffer containing the seed value to inject.
- * \param seed_size     Size of the \p seed buffer.
+ * \param[in] seed      Buffer containing the seed value to inject.
+ * \param[in] seed_size     Size of the \p seed buffer.
  *                      The size of the seed in bytes must be greater
  *                      or equal to both #MBEDTLS_ENTROPY_MIN_PLATFORM
  *                      and #MBEDTLS_ENTROPY_BLOCK_SIZE.