diff --git a/src/ed25519.rs b/src/ed25519.rs
index 4af72d8..16ddec4 100644
--- a/src/ed25519.rs
+++ b/src/ed25519.rs
@@ -3,7 +3,7 @@
 // To the extent possible under law, the authors have waived all copyright and
 // related or neighboring rights to curve25519-dalek, using the Creative
 // Commons "CC0" public domain dedication.  See
-// <http://creativecommons.org/publicdomain/zero/.0/> for full details.
+// <http://creativecommons.org/publicdomain/zero/1.0/> for full details.
 //
 // Authors:
 // - Isis Agora Lovecruft <isis@patternsinthevoid.net>
diff --git a/src/lib.rs b/src/lib.rs
index 638d9fa..c2ca6bc 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,7 +3,7 @@
 // To the extent possible under law, the authors have waived all copyright and
 // related or neighboring rights to curve25519-dalek, using the Creative
 // Commons "CC0" public domain dedication.  See
-// <http://creativecommons.org/publicdomain/zero/.0/> for full details.
+// <http://creativecommons.org/publicdomain/zero/1.0/> for full details.
 //
 // Authors:
 // - Isis Agora Lovecruft <isis@patternsinthevoid.net>