diff --git a/DESCRIPTION b/DESCRIPTION
index f3a86091..538381b1 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -24,10 +24,10 @@ Authors@R: c(
 Description: Implements the Simulating Optimal FUNctioning framework for 
               site-scale simulations of ecosystem processes, including model 
               calibration. It contains Fortran modules for the P-model (Stocker
-              et al. (2020) <https://doi.org/10.5194/gmd-13-1545-2020>), SPLASH
-              (Davis et al. (2017) <https://doi.org/10.5194/gmd-10-689-2017>)
+              et al. (2020) <doi:10.5194/gmd-13-1545-2020>), SPLASH
+              (Davis et al. (2017) <doi:10.5194/gmd-10-689-2017>)
               and BiomeE (Weng et al. (2015)
-              <https://doi.org/10.5194/bg-12-2655-2015>).
+              <doi:10.5194/bg-12-2655-2015>).
 URL: https://github.com/geco-bern/rsofun
 BugReports: https://github.com/geco-bern/rsofun/issues
 License: GPL-3