CodingGuidelines: Add a section on writing documentation

diff --git a/Documentation/merge-options.txt b/Documentation/merge-options.txt
index 722d704ff2de1abd3d77a18ca396ba96d5cab6bc..e33e0f8e110879a0cd6fe81d97ee6044290e5cfa 100644 (file)
--- a/Documentation/merge-options.txt
+++ b/Documentation/merge-options.txt
@@ -16,11 +16,11 @@ inspect and further tweak the merge result before committing.
 With --no-ff Generate a merge commit even if the merge
 resolved as a fast-forward.
 
---log::
+--log[=<n>]::
 --no-log::
        In addition to branch names, populate the log message with
-       one-line descriptions from the actual commits that are being
-       merged.
+       one-line descriptions from at most <n> actual commits that are being
+       merged. See also linkgit:git-fmt-merge-msg[1].
 +
 With --no-log do not list one-line descriptions from the
 actual commits being merged.