diff --git a/include/polarssl/aes.h b/include/polarssl/aes.h
index dfb9a0a..16721dd 100644
--- a/include/polarssl/aes.h
+++ b/include/polarssl/aes.h
@@ -128,7 +128,6 @@
  * both encryption and decryption. So a context initialized with
  * aes_setkey_enc() for both AES_ENCRYPT and AES_DECRYPT.
  *
- * both 
  * \param ctx      AES context
  * \param mode     AES_ENCRYPT or AES_DECRYPT
  * \param length   length of the input data
@@ -156,6 +155,7 @@
  * both encryption and decryption. So a context initialized with
  * aes_setkey_enc() for both AES_ENCRYPT and AES_DECRYPT.
  *
+ * \param ctx           AES context
  * \param length        The length of the data
  * \param nc_off        The offset in the current stream_block (for resuming
  *                      within current cipher stream). The offset pointer to