CodingGuidelines: Add a section on writing documentation

diff --git a/Documentation/git-format-patch.txt b/Documentation/git-format-patch.txt
index df77474c2950d2a15145ac2bd086697fe365a192..9dcafc6d4442b6db66df642e92336537395b9919 100644 (file)
--- a/Documentation/git-format-patch.txt
+++ b/Documentation/git-format-patch.txt
@@ -39,7 +39,7 @@ There are two ways to specify which commits to operate on.
    that leads to the <since> to be output.
 
 2. Generic <revision range> expression (see "SPECIFYING
-   REVISIONS" section in linkgit:gitrevisions[1]) means the
+   REVISIONS" section in linkgit:gitrevisions[7]) means the
    commits in the specified range.
 
 The first rule takes precedence in the case of a single <commit>.  To