diff --git a/DESCRIPTION b/DESCRIPTION
index 40d2c3f..ce5cbec 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -4,7 +4,7 @@ Version: 1.0.0
 Authors@R:
     c(person(given = "Michal",
             family = "Kolesár",
-            role = c("aut", "cre"),
+            role = c("aut", "cre", "cph"),
             email = "kolesarmi@googlemail.com",
             comment = c(ORCID = "0000-0002-2482-7796")),
       person(given= "Tim",
@@ -13,7 +13,9 @@ Authors@R:
              email = "timothy.armstrong@usc.edu"))
 Description: Honest and nearly-optimal confidence intervals in fuzzy and sharp
     regression discontinuity designs and for inference at a point based on local
-    linear regression. Supports covariates, clustering, and weighting.
+    linear regression. The implementation is based on Armstrong and Kolesár (2018)
+    <doi:10.3982/ECTA14434>, and Kolesár and Rothe (2018)
+    <doi:10.1257/aer.20160945>. Supports covariates, clustering, and weighting.
 Depends: R (>= 4.3.0)
 License: GPL-3
 Encoding: UTF-8
diff --git a/R/RDHonest.R b/R/RDHonest.R
index cc6eafe..4c6af09 100644
--- a/R/RDHonest.R
+++ b/R/RDHonest.R
@@ -153,7 +153,7 @@
 #'
 #' \cite{Timothy B. Armstrong and Michal Kolesár. Simple and honest confidence
 #' intervals in nonparametric regression. Quantitative Economics, 11(1):1–39,
-#' January 2020. \doi{10.3982/QE1199}}
+#' January 2020. \url{https://onlinelibrary.wiley.com/doi/full/10.3982/QE1199}}
 #'
 #' \cite{Michal Kolesár and Christoph Rothe. Inference in regression
 #' discontinuity designs with a discrete running variable. American Economic
diff --git a/R/documentation.R b/R/documentation.R
index 22213dc..c7c8596 100644
--- a/R/documentation.R
+++ b/R/documentation.R
@@ -80,7 +80,7 @@
 #'   \item{margin}{Democratic margin of victory}
 #'  }
 #' @source Mostly Harmless Econometrics data archive,
-#' \url{https://economics.mit.edu/faculty/angrist/data1/mhe}
+#' \url{https://economics.mit.edu/people/faculty/josh-angrist/mhe-data-archive}
 #' @references{
 #'
 #' \cite{David S. Lee. Randomized experiments from non-random selection in U.S.
diff --git a/README.md b/README.md
index 7f963b3..369f5a8 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-[![R-CMD-check](https://github.com/kolesarm/RDHonest/workflows/R-CMD-check/badge.svg)](https://github.com/kolesarm/RDHonest/actions) [![Coverage status](https://codecov.io/gh/kolesarm/RDHonest/branch/master/graph/badge.svg)](https://codecov.io/github/kolesarm/RDHonest?branch=master)
+[![R-CMD-check](https://github.com/kolesarm/RDHonest/workflows/R-CMD-check/badge.svg)](https://github.com/kolesarm/RDHonest/actions) [![Coverage status](https://codecov.io/gh/kolesarm/RDHonest/branch/master/graph/badge.svg)](https://app.codecov.io/github/kolesarm/RDHonest?branch=master)
 
 # RDHonest
 
diff --git a/cran-comments.md b/cran-comments.md
new file mode 100644
index 0000000..4885f3e
--- /dev/null
+++ b/cran-comments.md
@@ -0,0 +1,31 @@
+## Test environments
+* local Debian 12 (bookworm) install, R 4.3.1
+* Github actions
+  - macOS 12.7.3, R 4.3.3
+  - Windows Server 2022, R 4.3.3
+  - Ubuntu 22.04.4 LTS, R 4.3.3
+  - Ubuntu 20.04.4 LTS, R-devel
+
+
+* win-builder, R-devel and R-release
+* macbuilder macOS 13.3.1 (22E261) R4.3.0 Patched (2023-05-18 r84451)
+* Rhub
+  - Ubuntu Linux 20.04.1 LTS, R-release, GCC
+  - Debian Linux, R-devel, GCC, no long double
+
+## R CMD check results
+There were no ERRORs or WARNINGs.
+There was 1 NOTE:
+
+  Maintainer: ‘Michal Kolesár <kolesarmi@googlemail.com>’
+
+  New submission
+
+Possibly misspelled words in DESCRIPTION:
+  covariates (16:33)
+
+THe misspelled word is correct, it refers to independent variables (covariates)
+in a regression.
+
+## Downstream dependencies
+There are currently no downstream dependencies for this package
diff --git a/doc/RDHonest.pdf b/doc/RDHonest.pdf
index ae94a95..849a3f8 100644
Binary files a/doc/RDHonest.pdf and b/doc/RDHonest.pdf differ
diff --git a/doc/manual.pdf b/doc/manual.pdf
index adbf0f4..f82bb1b 100644
Binary files a/doc/manual.pdf and b/doc/manual.pdf differ
diff --git a/man/RDHonest.Rd b/man/RDHonest.Rd
index 943d782..7acccd0 100644
--- a/man/RDHonest.Rd
+++ b/man/RDHonest.Rd
@@ -236,7 +236,7 @@ of regression models. Econometrica, 86(2):655–683, March 2018.
 
 \cite{Timothy B. Armstrong and Michal Kolesár. Simple and honest confidence
 intervals in nonparametric regression. Quantitative Economics, 11(1):1–39,
-January 2020. \doi{10.3982/QE1199}}
+January 2020. \url{https://onlinelibrary.wiley.com/doi/full/10.3982/QE1199}}
 
 \cite{Michal Kolesár and Christoph Rothe. Inference in regression
 discontinuity designs with a discrete running variable. American Economic
diff --git a/man/lee08.Rd b/man/lee08.Rd
index eb42e13..fe646f8 100644
--- a/man/lee08.Rd
+++ b/man/lee08.Rd
@@ -13,7 +13,7 @@ A data frame with 6,558 rows and 2 variables:
 }
 \source{
 Mostly Harmless Econometrics data archive,
-\url{https://economics.mit.edu/faculty/angrist/data1/mhe}
+\url{https://economics.mit.edu/people/faculty/josh-angrist/mhe-data-archive}
 }
 \usage{
 lee08
diff --git a/vignettes/np-testing-library.bib b/vignettes/np-testing-library.bib
index 13400f4..e4b5967 100644
--- a/vignettes/np-testing-library.bib
+++ b/vignettes/np-testing-library.bib
@@ -149,7 +149,6 @@ @article{ArKo20
 title = {Simple and Honest Confidence Intervals in Nonparametric Regression},
 journal = {Quantitative Economics},
 year = 2020,
-doi = {10.3982/QE1199},
 volume = 11,
 number = 1,
 pages = {1--39},