diff --git a/man/addNAstr.Rd b/man/addNAstr.Rd
index a301571..926daa7 100644
--- a/man/addNAstr.Rd
+++ b/man/addNAstr.Rd
@@ -4,7 +4,7 @@
 \alias{addNAstr}
 \title{Transform missing values of a factor to an extra level}
 \source{
-Adapted from James (\url{http://stackoverflow.com/a/5817181}) 
+Adapted from James (\url{https://stackoverflow.com/a/5817181}) 
 by Joseph Larmarange <joseph@larmarange.net>
 }
 \usage{
diff --git a/man/hdv2003.Rd b/man/hdv2003.Rd
index 11525bf..9b47614 100644
--- a/man/hdv2003.Rd
+++ b/man/hdv2003.Rd
@@ -8,7 +8,7 @@
 A data frame with 2000 rows and 20 variables
 }
 \source{
-\url{http://www.insee.fr/fr/themes/detail.asp?ref_id=fd-HDV03}
+\url{https://www.insee.fr/fr/statistiques/2532244}
 }
 \description{
 Sample from 2000 people and 20 variables taken from the \emph{Histoire de
diff --git a/man/odds.ratio.Rd b/man/odds.ratio.Rd
index 6d64634..4b5322e 100644
--- a/man/odds.ratio.Rd
+++ b/man/odds.ratio.Rd
@@ -59,7 +59,7 @@ confidence intervals with \code{exp(confint(x))}.
 
 For models calculated with \code{multinom} (nnet),
 p-value are calculated according to
-\url{http://www.ats.ucla.edu/stat/r/dae/mlogit.htm}.
+\url{https://stats.idre.ucla.edu/r/dae/multinomial-logistic-regression/}.
 
 For 2x2 \code{table}, \code{factor} or \code{matrix}, \code{odds.ratio}
 uses \code{\link[stats]{fisher.test}} to compute the odds ratio.
diff --git a/man/rp2012.Rd b/man/rp2012.Rd
index aeba109..bcc666d 100644
--- a/man/rp2012.Rd
+++ b/man/rp2012.Rd
@@ -8,7 +8,7 @@
 A data frame with 5170 rows and 60 variables
 }
 \source{
-\url{http://www.insee.fr/fr/bases-de-donnees/default.asp?page=recensements.htm}
+\url{https://www.insee.fr/fr/information/2008354}
 }
 \description{
 Sample from the 2012 national french census. It contains results for every french city of more than 2000 inhabitants, and a small subset of variables, both in population counts and proportions.
diff --git a/man/rp99.Rd b/man/rp99.Rd
index e3ff3a2..ad2ac7a 100644
--- a/man/rp99.Rd
+++ b/man/rp99.Rd
@@ -8,7 +8,7 @@
 A data frame with 301 rows and 21 variables
 }
 \source{
-\url{http://www.insee.fr/fr/bases-de-donnees/default.asp?page=recensements.htm}
+\url{https://www.insee.fr/fr/information/2008354}
 }
 \description{
 Sample from the 1999 french census for the cities of the Rhône state.