diff --git a/.Rbuildignore b/.Rbuildignore
index 208465e..b5c0743 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -31,3 +31,5 @@ cran-comments.md
 eafparcoords.R
 ^CRAN-RELEASE$
 ^CRAN-SUBMISSION$
+^devel
+^auc-convergence.R
diff --git a/inst/REFERENCES.bib b/inst/REFERENCES.bib
index fa89584..5e19541 100644
--- a/inst/REFERENCES.bib
+++ b/inst/REFERENCES.bib
@@ -119,7 +119,7 @@ @phdthesis{LopezIbanezPhD
   school = {School of Engineering and the Built Environment},
   year = 2009,
   address = {Edinburgh Napier University, UK},
-  url = {http://researchrepository.napier.ac.uk/id/eprint/3044}
+  url = {https://researchrepository.napier.ac.uk/id/eprint/3044}
 }
 
 @incollection{GruFon2009:emaa,