diff --git a/Documentation/diff-format.txt b/Documentation/diff-format.txt
index fbbd410a84..7a9c3b6ff4 100644
--- a/Documentation/diff-format.txt
+++ b/Documentation/diff-format.txt
@@ -59,7 +59,7 @@ Possible status letters are:
 - D: deletion of a file
 - M: modification of the contents or mode of a file
 - R: renaming of a file
-- T: change in the type of the file
+- T: change in the type of the file (regular file, symbolic link or submodule)
 - U: file is unmerged (you must complete the merge before it can
   be committed)
 - X: "unknown" change type (most probably a bug, please report it)