From 652ac890b4812f67aa3be7cf076bfef6e4434f1a Mon Sep 17 00:00:00 2001
From: Jonathan Olson <jonathan.olson@colorado.edu>
Date: Thu, 14 May 2020 10:27:28 -0600
Subject: [PATCH] Adding Stopwatch positionProperty documentation for
 https://github.com/phetsims/wave-on-a-string/issues/147

---
 js/Stopwatch.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/js/Stopwatch.js b/js/Stopwatch.js
index 7409976b5..be34d49e8 100644
--- a/js/Stopwatch.js
+++ b/js/Stopwatch.js
@@ -38,7 +38,8 @@ class Stopwatch extends PhetioObject {
 
     // @public - position of the stopwatch, in view coordinates
     this.positionProperty = new Vector2Property( options.position, {
-      tandem: options.tandem.createTandem( 'positionProperty' )
+      tandem: options.tandem.createTandem( 'positionProperty' ),
+      phetioDocumentation: `view coordinates for the upper-left of the stopwatch (initially ${options.position.x},${options.position.y})`
     } );
 
     // @public - whether the stopwatch is visible