* HACKING: Fix instructions merge instructions.
over-arching change, you should use a dedicated topic branch, and
only merge that back once it is reasonably stable.
-* The 'next' branch should be kept regularly merged into the 'master'
+* The 'master' branch should be kept regularly merged into the 'next'
branch. It is advisable to merge only after a set of related
commits have been applied, to avoid introducing too much noise in
the history.