diff --git a/CITATION.cff b/CITATION.cff
index d95d4faf8..b6ec7a71b 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -1,8 +1,16 @@
 cff-version: 1.2.0
 message: >-
-  If you use this software, please cite both the software itself, as well as the the article Lancaster AK et al. (2007) 'PyPop update – a software pipeline for large-scale multilocus population genomics' Tissue Antigens 69(1):192-197 10.1111/j.1399-0039.2006.00769.x https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4369784/
+  If you use this software, please cite both the software itself, as well as the
+  the article Lancaster AK et al. (2007) 'PyPop update – a software pipeline for
+  large-scale multilocus population genomics' Tissue Antigens 69(1):192-197
+  10.1111/j.1399-0039.2006.00769.x
+  https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4369784/
 abstract: >-
-  PyPop for Population Genomics (PyPop) is a Python program for processing genotype and allele data and running population genetic analyses, including conformity to Hardy-Weinberg expectations; tests for balancing or directional selection; estimates of haplotype frequencies and measures and tests of significance for linkage disequilibrium (LD). Main website: http://pypop.org/
+  PyPop for Population Genomics (PyPop) is a Python program for processing
+  genotype and allele data and running population genetic analyses, including
+  conformity to Hardy-Weinberg expectations; tests for balancing or directional
+  selection; estimates of haplotype frequencies and measures and tests of
+  significance for linkage disequilibrium (LD). Main website: http://pypop.org/
 authors:
   - family-names: Lancaster
     given-names: Alexander K.
@@ -67,4 +75,4 @@ keywords:
   - MHC
 license: GPL-2.0-or-later
 version: v0.9.80
-doi: 10.5072/zenodo.1244954
+doi: 10.5072/zenodo.1244969