diff --git a/COPYING b/CREDITS
similarity index 100%
rename from COPYING
rename to CREDITS
diff --git a/LICENSE b/LICENSE
index dea8bbe..619bad0 100644
--- a/LICENSE
+++ b/LICENSE
@@ -17,7 +17,7 @@ This game is linked on some static libraries:
   zlib (own license)
 
 
-Planet Blupi is licensed under GPLv3, see LICENSE.all/copyright for details.
+Planet Blupi is licensed under GPLv3+, see LICENSE.all/copyright for details.
 
 
                     GNU GENERAL PUBLIC LICENSE
diff --git a/LICENSE.all b/LICENSE.all
index 24a8ef6..4da1855 100644
--- a/LICENSE.all
+++ b/LICENSE.all
@@ -20,7 +20,7 @@ List of all licenses, concerns Planet Blupi and dependencies
  * zlib -- https://zlib.net/
 
 ######################################################################
-# Planet Blupi - LICENSE
+# Planet Blupi is licensed under GPLv3+
 ######################################################################
 
                     GNU GENERAL PUBLIC LICENSE