diff --git a/README.md b/README.md
index 3c9b89e..b246b0d 100644
--- a/README.md
+++ b/README.md
@@ -7,30 +7,44 @@ Usage
 -----
 
 ```c
-	struct ewah_bitmap *array = ewah_bitmap_new();
-	struct ewah_iterator it;
-	eword_t word;
+struct ewah_bitmap *array = ewah_bitmap_new();
+struct ewah_iterator it;
+eword_t word;
 
-	ewah_bitmap_set(array, 3);
-	ewah_bitmap_set(array, 32);
-	ewah_bitmap_set(array, 48);
-	ewah_bitmap_set(array, 63);
-	ewah_bitmap_set(array, 1024);
-	ewah_bitmap_set(array, 7600);
+ewah_bitmap_set(array, 3);
+ewah_bitmap_set(array, 32);
+ewah_bitmap_set(array, 48);
+ewah_bitmap_set(array, 63);
+ewah_bitmap_set(array, 1024);
+ewah_bitmap_set(array, 7600);
 
-	ewah_iterator_init(&it, array);
+ewah_iterator_init(&it, array);
 
-	while (ewah_iterator_next(&word, &it))
-		printf("%08llX ", word);
+while (ewah_iterator_next(&word, &it))
+    printf("%08llX ", word);
 
-	ewah_bitmap_each_bit(array, &print_a_bit, NULL);
+ewah_bitmap_each_bit(array, &print_a_bit, NULL);
 
-    ewah_bitmap_free(array);
+ewah_bitmap_free(array);
 ````
 
 Related docs:
 ------------
 
-http://github.com/lemire/javaewah
-http://arxiv.org/abs/0901.3751
-http://www.slideshare.net/lemire/all-about-bitmap-indexes-and-sorting-them
+- http://github.com/lemire/javaewah
+- http://arxiv.org/abs/0901.3751
+- http://www.slideshare.net/lemire/all-about-bitmap-indexes-and-sorting-them
+
+License
+-------
+
+This code is licensed under Apache License, Version 2.0 (ASL2.0).
+
+This code is a port from the original javaewah project, authored by:
+
+- Daniel Lemire (http://lemire.me/en/), 
+- Cliff Moon (https://github.com/cliffmoon), 
+- David McIntosh (https://github.com/mctofu),
+- Robert Becho (https://github.com/RBecho),
+- Colby Ranger (https://github.com/crangeratgoogle)
+- Veronika Zenz (https://github.com/veronikazenz)