diff --git a/contrib/yggdrasil-brute-simple/LICENSE b/contrib/yggdrasil-brute-simple/LICENSE
index 2549ece..68a49da 100644
--- a/contrib/yggdrasil-brute-simple/LICENSE
+++ b/contrib/yggdrasil-brute-simple/LICENSE
@@ -1 +1,24 @@
-As public domain as possible. Don't blame me if your computer explodes.
+This is free and unencumbered software released into the public domain.
+
+Anyone is free to copy, modify, publish, use, compile, sell, or
+distribute this software, either in source code form or as a compiled
+binary, for any purpose, commercial or non-commercial, and by any
+means.
+
+In jurisdictions that recognize copyright laws, the author or authors
+of this software dedicate any and all copyright interest in the
+software to the public domain. We make this dedication for the benefit
+of the public at large and to the detriment of our heirs and
+successors. We intend this dedication to be an overt act of
+relinquishment in perpetuity of all present and future rights to this
+software under copyright law.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+For more information, please refer to <http://unlicense.org/>
diff --git a/contrib/yggdrasil-brute-simple/yggdrasil-brute-multi-curve25519.c b/contrib/yggdrasil-brute-simple/yggdrasil-brute-multi-curve25519.c
index f0b6f55..a592f38 100644
--- a/contrib/yggdrasil-brute-simple/yggdrasil-brute-multi-curve25519.c
+++ b/contrib/yggdrasil-brute-simple/yggdrasil-brute-multi-curve25519.c
@@ -42,7 +42,6 @@ int main(int argc, char **argv) {
 	unsigned int runs = 0;
 	int where;
 
-
 	if (argc != 2) {
 		fprintf(stderr, "usage: ./yggdrasil-brute-multi-curve25519 <seconds>\n");
 		return 1;
@@ -104,4 +103,3 @@ int main(int argc, char **argv) {
 
 	return 0;
 }
-
diff --git a/contrib/yggdrasil-brute-simple/yggdrasil-brute-multi-ed25519.c b/contrib/yggdrasil-brute-simple/yggdrasil-brute-multi-ed25519.c
index 51e9aef..02218e5 100644
--- a/contrib/yggdrasil-brute-simple/yggdrasil-brute-multi-ed25519.c
+++ b/contrib/yggdrasil-brute-simple/yggdrasil-brute-multi-ed25519.c
@@ -40,7 +40,6 @@ int main(int argc, char **argv) {
 	unsigned int runs = 0;
 	int where;
 
-
 	if (argc != 2) {
 		fprintf(stderr, "usage: ./yggdrasil-brute-multi-curve25519 <seconds>\n");
 		return 1;
@@ -88,7 +87,6 @@ int main(int argc, char **argv) {
 		}
 	} while (time(NULL) - starttime < requestedtime || runs < NUMKEYS);
 
-
 	fprintf(stderr, "!! Secret key is seed concatenated with public !!\n");
 	fprintf(stderr, "---hash--- ------------------------------seed------------------------------ -----------------------------public-----------------------------\n");
 	for (i = 0; i < NUMKEYS; ++i) {
@@ -106,4 +104,3 @@ int main(int argc, char **argv) {
 
 	return 0;
 }
-