diff --git a/doc/source/users/release_history/1.0.rst b/doc/source/users/release_history/1.0.rst
index 62e87f9..e7ee862 100644
--- a/doc/source/users/release_history/1.0.rst
+++ b/doc/source/users/release_history/1.0.rst
@@ -1,7 +1,7 @@
 .. _1.0:
 
-GammaLib 1.0 release (18 January 2016)
-======================================
+GammaLib 1.0 release (18 December 2015)
+=======================================
 
 Overview
 --------