diff --git a/doc/log.qbk b/doc/log.qbk
index 1ba92d1..c195f8f 100644
--- a/doc/log.qbk
+++ b/doc/log.qbk
@@ -10,7 +10,7 @@
     ]
     [id log]
     [source-mode c++]
-    [last-revision $Date: 2013-05-18 00:11:22 +0400 (Sat, 18 May 2013) $]
+    [last-revision $Date$]
 ]
 
 [c++]