Index: README.rst
===================================================================
--- README.rst	(revision 1568)
+++ README.rst	(revision 1603)
@@ -964,4 +964,11 @@
   implementation misses many tags.
 
+overwrite-tags : bool
+  By default the backend does *not* overwrite previous tag with a
+  newer by the same name, and stops with an error. This flag allows
+  you to force git to override preceeding tag with the same name.
+
+  *False* by default.
+
 hg
 %%