change openneuro reference

Author: julia-pfarr

eyetracking_fmri/README

@@ -1,7 +1,7 @@
 Eye-tracking example for BEP020 from OpenNeuro's ds004158 REST_EYE
 
 Sourcedata by : Martin Szinte, Anna Montagnini & Guillaume Masson<br/>
-Sourcedata: https://doi.org/10.18112/openneuro.ds004158.v2.0.6
+Sourcedata: https://openneuro.org/datasets/ds004158 
 
 Curated-by: Julia-Katharina Pfarr, Oscar Esteban