diff --git a/OpenLayers-3-Austria-Code-Sprint-Spring-2015.md b/OpenLayers-3-Austria-Code-Sprint-Spring-2015.md
index 5b25152..a542ddb 100644
--- a/OpenLayers-3-Austria-Code-Sprint-Spring-2015.md
+++ b/OpenLayers-3-Austria-Code-Sprint-Spring-2015.md
@@ -83,7 +83,7 @@ The main theme of the sprint is: "Making ol3 more user friendly". Topics to focu
 * Vector tiles. Draw vector tiles without artifacts at tile boundaries with stroked polygons.
 * Binary formats for efficiently transporting large amount of vector data.
 * Improvements to the cluster source. In part. there currently is no animation, and I think this is lacking.
-* Make the API doc nicer and more convenient.
+* Make the API doc nicer and more convenient (use and contribute to https://github.com/documentationjs/documentation)
 * Update the examples on github.io on each push to master.
 * Add tolerance to hit detection mechanism.