diff --git a/OpenLayers-3-Austria-Code-Sprint-Spring-2015.md b/OpenLayers-3-Austria-Code-Sprint-Spring-2015.md
index 110426d..7dbfe92 100644
--- a/OpenLayers-3-Austria-Code-Sprint-Spring-2015.md
+++ b/OpenLayers-3-Austria-Code-Sprint-Spring-2015.md
@@ -9,7 +9,7 @@ March 29 - April 5, 2015
 The closest airport is Salzburg. From Salzburg, there are direct [ÖBB](http://www.oebb.at/en/index.jsp) trains to Schladming. In Salzburg, buses (route #2) from the airport to the railway station run every 10-20 minutes. The hotel in Schladming is in walking distance from the railway station.
 
 ## Who
-
+3461
 The final number of participants must be provided by Feb. 20th, 2015.
 
 ### Confirmed participants (max 10):
@@ -107,8 +107,9 @@ The main theme of the sprint is: "Making ol3 more user friendly". Topics to focu
 
 ### Ideas from Björn:
 
- * Revisit selection logic regarding multi option
- * Improve select event to include associated information like layer
+ * Revisit selection logic regarding multi option (#3453)
+ * Improve select event to include associated information like layer (#3454)
+ * High level Modify interaction events (#3461)
  * Implement SelectBox interaction (inherit from DragBox, based on box-select example)
  * Finish GWC source implementation (useful for self-contained deploys including cached map data)
  * Write tutorial/template for browser applications that use ol3 as a dependency