diff --git a/hardening_manifest.yaml b/hardening_manifest.yaml
index a37873860c4f18a7e31d2f2aa445a0248620774d..9e86521f04e1f22443e708cd1e64e8954ef7f323 100644
--- a/hardening_manifest.yaml
+++ b/hardening_manifest.yaml
@@ -37,7 +37,8 @@ resources:
   validation:
     type: sha256
     value: 0fd54e5ec3504c970c2e7c912fc651446e65e3ccb3b504d4615e2e97176ab406
-- filename: numDeriv_2016.8-1.1.tar.gz  url: http://cran.us.r-project.org/src/contrib/numDeriv_2016.8-1.1.tar.gz
+- filename: numDeriv_2016.8-1.1.tar.gz  
+  url: http://cran.us.r-project.org/src/contrib/numDeriv_2016.8-1.1.tar.gz
   validation:
     type: sha256
     value: d8c4d19ff9aeb31b0c628bd4a16378e51c1c9a3813b525469a31fe89af00b345