diff --git a/licenses/public-domain.txt b/licenses/public-domain.txt
index 75c853b..114b3bf 100644
--- a/licenses/public-domain.txt
+++ b/licenses/public-domain.txt
@@ -44,4 +44,4 @@ 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/>
+For more information, please refer to <<http://unlicense.org/>>