--- a/web-search.rst	Sun Sep 23 12:59:04 2012 +0300
+++ b/web-search.rst	Mon Oct 01 14:21:38 2012 +0300
@@ -105,6 +105,8 @@
 Google search query syntax.
 ===========================
 
+  http://support.google.com/mail/bin/answer.py?answer=7190
+                Using advanced search.
   http://www.google.com/support/websearch/bin/answer.py?answer=136861
                 Google search basics: More search help
   http://www.google.ru/help/operators.html
@@ -219,6 +221,12 @@
 
   inanchor:"WORD1 WORD2"
 
+Limit date range.
+-----------------
+::
+
+  after:2010-01-01  before:2012-01-01
+
 Text Only Search.
 -----------------