Make minor changes to documentation
diff --git a/include/mbedtls/aes.h b/include/mbedtls/aes.h
index 4a546ac..1829f72 100644
--- a/include/mbedtls/aes.h
+++ b/include/mbedtls/aes.h
@@ -287,7 +287,8 @@
#define MBEDTLS_DEPRECATED
#endif
/**
- * \brief Old AES block encryption function without return value.
+ * \brief Deprecated internal AES block encryption function
+ * without return value.
*
* \deprecated Superseded by mbedtls_aes_encrypt_ext() in 2.5.0
*
@@ -300,7 +301,8 @@
unsigned char output[16] );
/**
- * \brief Old AES block decryption function without return value.
+ * \brief Deprecated internal AES block decryption function
+ * without return value.
*
* \deprecated Superseded by mbedtls_aes_decrypt_ext() in 2.5.0
*
diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index 2a2209a..b10d873 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -277,7 +277,7 @@
* currently named mbedtls_aes_internal_encrypt and mbedtls_aes_internal_decrypt,
* respectively. When setting up alternative implementations, these functions should
* be overriden, but the wrapper functions mbedtls_aes_decrypt and mbedtls_aes_encrypt
- * have to stay untouched.
+ * must stay untouched.
*
* \note If you use the AES_xxx_ALT macros, then is is recommended to also set
* MBEDTLS_AES_ROM_TABLES in order to help the linker garbage-collect the AES