diff --git a/DESCRIPTION b/DESCRIPTION
index ccd618b..a9a62f5 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -5,8 +5,8 @@ Description: Methods for the generation of a wide range of network geographies,
     e.g., grid networks or clustered networks. Useful for the generation of
     benchmarking instances for the investigation of, e.g., Vehicle-Routing-Problems
     or Travelling Salesperson Problems.
-Version: 1.3.2
-Date: 2020-01-08
+Version: 1.4.0
+Date: 2023-02-06
 Authors@R: c(person("Jakob", "Bossek", email = "j.bossek@gmail.com", role =
     c("aut", "cre")))
 Maintainer: Jakob Bossek <j.bossek@gmail.com>
@@ -26,6 +26,6 @@ Suggests:
     testthat,
     lpSolve,
     covr
-LazyData: yes
 ByteCompile: yes
-RoxygenNote: 7.1.1
+RoxygenNote: 7.3.0
+Encoding: UTF-8
diff --git a/NEWS b/NEWS
index 7aeb178..e613f38 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-netgen v1.4.xxxx (Release data: xxxx-xx-xx):
+netgen v1.4.0 (Release data: xxxx-xx-xx):
 ===========
 
 * Networks now have additional optional slots opt.tour.length and opt.tour for
diff --git a/R/exportToTSPlibFormat.R b/R/exportToTSPlibFormat.R
index 6f4a9a6..7f46be7 100644
--- a/R/exportToTSPlibFormat.R
+++ b/R/exportToTSPlibFormat.R
@@ -20,7 +20,7 @@
 #'   Use the \dQuote{extended tsplib format} with additional information like cluster
 #'   membership and bounds? Default is \code{TRUE}.
 #' @param full.matrix [\code{logical(1)}]\cr
-#'   Make use of \dQuote{FULL\_MATRIX} \dQuote{EDGE\_WEIGHT\_FORMAT} instead of
+#'   Make use of \dQuote{FULL_MATRIX} \dQuote{EDGE_WEIGHT_FORMAT} instead of
 #'   node coordinates?
 #'   Default is \code{FALSE}.
 #' @param digits [\code{integer(1)}]\cr
diff --git a/R/generateClusterCenters.R b/R/generateClusterCenters.R
index 84a0f6e..d0dacb5 100644
--- a/R/generateClusterCenters.R
+++ b/R/generateClusterCenters.R
@@ -15,7 +15,7 @@
 #   Cluster center matrix. Each row contains the coordinates of one cluster center.
 generateClusterCenters = function(
   n.cluster = 5L, n.dims = 2L,
-  generator = lhs:::maximinLHS,
+  generator = lhs::maximinLHS,
   lower = 0, upper = 1) {
   # FIXME: introduce use of min.dist.to.bounds
   cc = generator(n.cluster, n.dims)
diff --git a/R/makeNetwork.R b/R/makeNetwork.R
index 9ad4bc1..a3cfedd 100644
--- a/R/makeNetwork.R
+++ b/R/makeNetwork.R
@@ -29,8 +29,8 @@
 #' @param edge.weight.type [\code{character(1)} | \code{NULL}]
 #'   The edge weight type indicates how edge weights are represented in the TSPlib
 #'   format. If \code{distance.matrix} is \code{NULL}, the passed value is ignored
-#'   and EUC\_2D is assigned. Otherwise the edge weight type must be one of the
-#'   following \code{{EUC\_2D, EUC\_3D, MAX\_2D, MAX\_3D, MAN\_2D, MAN\_3D, CEIL\_2D,
+#'   and EUC_2D is assigned. Otherwise the edge weight type must be one of the
+#'   following \code{{EUC_2D, EUC_3D, MAX_2D, MAX_3D, MAN_2D, MAN_3D, CEIL_2D,
 #'   GEO, ATT, EXPLICIT}}.
 #' @param node.weights [\code{numeric}]\cr
 #'   Vector of node weights (for weighted version of TSP). Default is \code{NULL},
diff --git a/man/exportToTSPlibFormat.Rd b/man/exportToTSPlibFormat.Rd
index 27242eb..bb1aed3 100644
--- a/man/exportToTSPlibFormat.Rd
+++ b/man/exportToTSPlibFormat.Rd
@@ -36,7 +36,7 @@ Use the \dQuote{extended tsplib format} with additional information like cluster
 membership and bounds? Default is \code{TRUE}.}
 
 \item{full.matrix}{[\code{logical(1)}]\cr
-Make use of \dQuote{FULL\_MATRIX} \dQuote{EDGE\_WEIGHT\_FORMAT} instead of
+Make use of \dQuote{FULL_MATRIX} \dQuote{EDGE_WEIGHT_FORMAT} instead of
 node coordinates?
 Default is \code{FALSE}.}
 
diff --git a/man/makeNetwork.Rd b/man/makeNetwork.Rd
index 8141b00..ab7d93a 100644
--- a/man/makeNetwork.Rd
+++ b/man/makeNetwork.Rd
@@ -38,8 +38,8 @@ Optional vector of memberships for clustered networks.}
 \item{edge.weight.type}{[\code{character(1)} | \code{NULL}]
 The edge weight type indicates how edge weights are represented in the TSPlib
 format. If \code{distance.matrix} is \code{NULL}, the passed value is ignored
-and EUC\_2D is assigned. Otherwise the edge weight type must be one of the
-following \code{{EUC\_2D, EUC\_3D, MAX\_2D, MAX\_3D, MAN\_2D, MAN\_3D, CEIL\_2D,
+and EUC_2D is assigned. Otherwise the edge weight type must be one of the
+following \code{{EUC_2D, EUC_3D, MAX_2D, MAX_3D, MAN_2D, MAN_3D, CEIL_2D,
 GEO, ATT, EXPLICIT}}.}
 
 \item{depot.coordinates}{[\code{matrix} | \code{NULL}]\cr