diff --git a/hello-world.cu b/hello-world.cu
index 83b81dcf8a5a6610822efb5a57caf7e44671cfb9..d7bb2f07465892894aae269f31cc5a9ae32fac1f 100644
--- a/hello-world.cu
+++ b/hello-world.cu
@@ -1,7 +1,8 @@
 /* 
 ##########################
 CUDA Hello World!
-Based on code by Ingemar Ragnemalm (http://computer-graphics.se/hello-world-for-cuda.html), modified by Andreas Herten
+Original code by Ingemar Ragnemalm (http://computer-graphics.se/hello-world-for-cuda.html)
+Modified by Andreas Herten (mostly: error checks)
 
 The string Hello is printed, then transferred to the GPU and every character shifted to form string World in parallel. The string is then transferred back and printed.