diff --git a/Diplomschrift.bib b/Diplomschrift.bib
index d10cf11..1232051 100644
--- a/Diplomschrift.bib
+++ b/Diplomschrift.bib
@@ -8,7 +8,7 @@
     author = {Ben Eater},
     title  = {Building an 8-bit breadboard computer!},
     url    = {https://www.youtube.com/playlist?list=PLowKtXNTBypGqImE405J2565dvjafglHU},
-    year   = {2016--2019},
+    year   = {2016},
 }
 
 @unpublished{yosys,