--- a/doc/hgrc.5.txt	Tue Jul 27 23:07:30 2010 +0900
+++ b/doc/hgrc.5.txt	Sun Oct 10 23:32:09 2010 +0200
@@ -437,6 +437,14 @@
     option ensures that the on-disk format of newly created
     repositories will be compatible with Mercurial before version 1.1.
 
+``dotencode``
+    Enable or disable the "dotencode" repository format which enhances
+    the "fncache" repository format (which has to be enabled to use
+    dotencode) to avoid issues with filenames starting with ._ on
+    Mac OS X and spaces on Windows. Enabled by default. Disabling this
+    option ensures that the on-disk format of newly created
+    repositories will be compatible with Mercurial before version 1.7.
+
 ``merge-patterns``
 """"""""""""""""""