diff --git a/NEWS b/NEWS
index c5f4fd1..2f8c3e0 100644
--- a/NEWS
+++ b/NEWS
@@ -13,11 +13,21 @@ Unreleased, experimental changes
 
   Changes affecting documentation and commentary
 
+    New file 'NEWS' that contains release notes like this one.
+
     Paraguay's law does not specify DST transition time; 00:00 is customary.
     (Thanks to Waldemar Villamayor-Venialbo.)
 
     Minor capitalization fixes.
 
+  Changes affecting version-control only
+
+    The experimental github repository now contains annotated and
+    signed tags for recent releases, e.g., '2013e' for Release 2013e.
+    Releases are tagged starting with 2012e; earlier releases were
+    done differently, and tags would either not have a simple name or
+    not exactly match what was released.
+
 
 Release 2013e - 2013-09-19 23:50:04 -0700