--- a/mercurial/help/config.txt Sat Nov 01 02:43:08 2014 +0900
+++ b/mercurial/help/config.txt Sat Nov 01 02:43:08 2014 +0900
@@ -982,7 +982,8 @@
launching external tool. Options are ``true``, ``false``, ``keep`` or
``keep-merge3``. The ``keep`` option will leave markers in the file if the
premerge fails. The ``keep-merge3`` will do the same but include information
- about the base of the merge in the marker (see internal:merge3).
+ about the base of the merge in the marker (see internal :merge3 in
+ :hg:`help merge-tools`).
Default: True
``binary``