diff --git a/R/data.R b/R/data.R
index 40fcdf3..59c0031 100644
--- a/R/data.R
+++ b/R/data.R
@@ -25,6 +25,6 @@
 #' langevitour(zeiselPC[,-1], zeiselPC$type)
 #'
 #' @references
-#' Zeisel, A., Muñoz-Manchado, A. B., Codeluppi, S., Lönnerberg, P., La Manno, G., Juréus, A., Marques, S., Munguba, H., He, L., Betsholtz, C., Rolny, C., Castelo-Branco, G., Hjerling-Leffler, J., & Linnarsson, S. (2015). Cell types in the mouse cortex and hippocampus revealed by single-cell RNA-seq. \emph{Science}, 347(6226), 1138–1142. \href{https://doi.org/10.1126/science.aaa1934}{https://doi.org/10.1126/science.aaa1934} 
+#' Zeisel, A., Muñoz-Manchado, A. B., Codeluppi, S., Lönnerberg, P., La Manno, G., Juréus, A., Marques, S., Munguba, H., He, L., Betsholtz, C., Rolny, C., Castelo-Branco, G., Hjerling-Leffler, J., & Linnarsson, S. (2015). Cell types in the mouse cortex and hippocampus revealed by single-cell RNA-seq. \emph{Science}, 347(6226), 1138–1142. \doi{10.1126/science.aaa1934} 
 #'
 "zeiselPC"
\ No newline at end of file
diff --git a/README.md b/README.md
index e344d8c..b336c56 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ data(zeiselPC)
 langevitour(zeiselPC[,-1], zeiselPC$type)
 ```
 
-* [R documentation.](https://logarithmic.net/langevitour/reference)
+* [R documentation.](https://logarithmic.net/langevitour/reference/)
 
 
 ## Javascript usage
diff --git a/man/zeiselPC.Rd b/man/zeiselPC.Rd
index 7550788..7444ce7 100644
--- a/man/zeiselPC.Rd
+++ b/man/zeiselPC.Rd
@@ -32,6 +32,6 @@ langevitour(zeiselPC[,-1], zeiselPC$type)
 
 }
 \references{
-Zeisel, A., Muñoz-Manchado, A. B., Codeluppi, S., Lönnerberg, P., La Manno, G., Juréus, A., Marques, S., Munguba, H., He, L., Betsholtz, C., Rolny, C., Castelo-Branco, G., Hjerling-Leffler, J., & Linnarsson, S. (2015). Cell types in the mouse cortex and hippocampus revealed by single-cell RNA-seq. \emph{Science}, 347(6226), 1138–1142. \href{https://doi.org/10.1126/science.aaa1934}{https://doi.org/10.1126/science.aaa1934}
+Zeisel, A., Muñoz-Manchado, A. B., Codeluppi, S., Lönnerberg, P., La Manno, G., Juréus, A., Marques, S., Munguba, H., He, L., Betsholtz, C., Rolny, C., Castelo-Branco, G., Hjerling-Leffler, J., & Linnarsson, S. (2015). Cell types in the mouse cortex and hippocampus revealed by single-cell RNA-seq. \emph{Science}, 347(6226), 1138–1142. \doi{10.1126/science.aaa1934}
 }
 \keyword{datasets}