diff --git a/Documentation/git-add.txt b/Documentation/git-add.txt
index 6a96a669c299ebd0408d3a1e34d8e42541f3a9e8..7ed63dce0b1f55325497b4fd6879422fe119eaf5 100644
--- a/Documentation/git-add.txt
+++ b/Documentation/git-add.txt
@@ -11,7 +11,7 @@ SYNOPSIS
 'git add' [--verbose | -v] [--dry-run | -n] [--force | -f] [--interactive | -i] [--patch | -p]
 	  [--edit | -e] [--[no-]all | --[no-]ignore-removal | [--update | -u]]
 	  [--intent-to-add | -N] [--refresh] [--ignore-errors] [--ignore-missing]
-	  [--] [<pathspec>...]
+	  [--chmod=(+|-)x] [--] [<pathspec>...]
 
 DESCRIPTION
 -----------
@@ -165,6 +165,11 @@ for "git add --no-all <pathspec>...", i.e. ignored removed files.
 	be ignored, no matter if they are already present in the work
 	tree or not.
 
+--chmod=(+|-)x::
+	Override the executable bit of the added files.  The executable
+	bit is only changed in the index, the files on disk are left
+	unchanged.
+
 \--::
 	This option can be used to separate command-line options from
 	the list of files, (useful when filenames might be mistaken