Added the base tree to the input example.

kristof-mattei · kristof-mattei · commit cac12f83945e · 2013-01-31T10:53:31.000+01:00
Related to https://github.com/Snakiej/developer.github.com/commit/2c4f93003703f68c4c8a436df8cf18e615e293c7#commitcomment-2528554
diff --git a/content/v3/git/trees.md b/content/v3/git/trees.md
@@ -66,7 +66,9 @@ out and use that SHA for this entry.  Use either this or `tree.sha`
 
 ### Input
 
-<%= json "tree"=> \
+<%= json 
+   "base_tree" => "9fb037999f264ba9a7fc6274d15fa3ae2ab98312", \
+   "tree"=> \
   [{"path"=>"file.rb", \
     "mode"=>"100644", \
     "type"=>"blob", \
