diff --git a/R/stop_words.R b/R/stop_words.R
index d36f457a..2d3d8f2a 100644
--- a/R/stop_words.R
+++ b/R/stop_words.R
@@ -12,7 +12,7 @@
 #'
 #' @source \itemize{
 #' \item \url{http://www.lextek.com/manuals/onix/stopwords1.html}
-#' \item \url{http://www.jmlr.org/papers/volume5/lewis04a/lewis04a.pdf}
+#' \item \url{https://www.jmlr.org/papers/volume5/lewis04a/lewis04a.pdf}
 #' \item \url{http://snowball.tartarus.org/algorithms/english/stop.txt}
 #' }
 "stop_words"
diff --git a/man/stop_words.Rd b/man/stop_words.Rd
index a0a95a01..e7a383f2 100644
--- a/man/stop_words.Rd
+++ b/man/stop_words.Rd
@@ -14,7 +14,7 @@ A data frame with 1149 rows and 2 variables:
 \source{
 \itemize{
 \item \url{http://www.lextek.com/manuals/onix/stopwords1.html}
-\item \url{http://www.jmlr.org/papers/volume5/lewis04a/lewis04a.pdf}
+\item \url{https://www.jmlr.org/papers/volume5/lewis04a/lewis04a.pdf}
 \item \url{http://snowball.tartarus.org/algorithms/english/stop.txt}
 }
 }