diff --git a/code/CMakeLists.txt b/code/CMakeLists.txt
index 23cfba4ff..7ccc6439f 100644
--- a/code/CMakeLists.txt
+++ b/code/CMakeLists.txt
@@ -45,6 +45,7 @@
 #
 cmake_minimum_required( VERSION 3.0 )
 SET( HEADER_PATH ../include/assimp )
+
 if(NOT ANDROID AND ASSIMP_ANDROID_JNIIOSYSTEM)
     message(WARNING "Requesting Android JNI I/O-System in non-Android toolchain. Resetting ASSIMP_ANDROID_JNIIOSYSTEM to OFF.")
     set(ASSIMP_ANDROID_JNIIOSYSTEM OFF)
diff --git a/contrib/unzip/ioapi.c b/contrib/unzip/ioapi.c
index 0f1bf4f21..5e0497f9e 100644
--- a/contrib/unzip/ioapi.c
+++ b/contrib/unzip/ioapi.c
@@ -1,3 +1,11 @@
+/* ioapi.c -- IO base function header for compress/uncompress .zip
+   files using zlib + zip or unzip API
+
+   Version 1.01e, February 12th, 2005
+
+   Copyright (C) 1998-2005 Gilles Vollant
+*/
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>