diff --git a/doc/comedilib.xml b/doc/comedilib.xml
index 59f7b37..8d9390d 100644
--- a/doc/comedilib.xml
+++ b/doc/comedilib.xml
@@ -64,7 +64,7 @@
 			<holder>Ian Abbott</holder>
 		</copyright>
 		<copyright>
-			<year>2012</year>
+			<year>2012, 2015</year>
 			<holder>Éric Piel</holder>
 		</copyright>