diff --git a/R/RCzechia.R b/R/RCzechia.R
index c9ac52a..823acaa 100644
--- a/R/RCzechia.R
+++ b/R/RCzechia.R
@@ -65,7 +65,7 @@
 #'  source:  [Data200](https://geoportal.cuzk.cz/(S(ej02xjih2qfbe4ayjguzaidr))/Default.aspx?lng=EN&menu=2292&mode=TextMeta&side=mapy_data200&metadataID=CZ-CUZK-DATA200-VODSTVO-V), high res object: 687.0 KB, no low res version
 #'  \item *lesy* - woodland areas
 #'
-#'  source:  [ArcČR 500 v3.3](https://www.arcdata.cz/produkty/geograficka-data/arccr-4), high res object: 2.1 MB, no low res version
+#'  source:  [ArcČR 500 v3.3](https://www.arcdata.cz/cs-cz/produkty/data/arccr?rsource=https%3A%2F%2Fwww.arcdata.cz%2Fprodukty%2Fgeograficka-data%2Farccr-4), high res object: 2.1 MB, no low res version
 #'  \item *silnice* - roads
 #'
 #'  source:  [Data200](https://geoportal.cuzk.cz/(S(ej02xjih2qfbe4ayjguzaidr))/Default.aspx?menu=2296&mode=TextMeta&side=mapy_data200&metadataID=CZ-CUZK-DATA200-DOPRAVA-V), high res object: 6.0 MB, no low res version
@@ -80,7 +80,7 @@
 #'  source:  [AOPK ČR](https://data.nature.cz/), high res object: 7.0 MB, no low res version
 #'  \item *vyskopis* - terrain relief
 #'
-#'  source:  [Copernicus EU](https://land.copernicus.eu/imagery-in-situ/eu-dem), high res object: 68.8 MB, no low res version
+#'  source:  [Copernicus EU](https://land.copernicus.eu/en/products/products-that-are-no-longer-disseminated-on-the-clms-website), high res object: 68.8 MB, no low res version
 #'  \item *geomorfo* - geomorphological divisions
 #'
 #'  source:  [CENIA / INSPIRE](https://www.arcgis.com/home/item.html?id=25813686a8564b0bbcdc951a5573cfa4), high res object: <1 MB, no low res version
diff --git a/R/vyskopis.R b/R/vyskopis.R
index 571795c..33b3a74 100644
--- a/R/vyskopis.R
+++ b/R/vyskopis.R
@@ -6,7 +6,7 @@
 #'
 #' The raster is created from EU DEM 1.1 file by Copernicus Land Monitoring service. The original file has pixel resolution 25×25 meters, which is too detailed for purposes of the package and was downsampled by factor of 4.
 #'
-#' The extent of the raster file is bouding box of the Czech Republic; this is a change to prior versions in order to better facilitate use of the raster in natural sciences context. To preserve compatibility optional argument `cropped` has been created, defaulting to `TRUE` (i.e. behaviour before v1.10.0).
+#' The extent of the raster file is bounding box of the Czech Republic; this is a change to prior versions in order to better facilitate use of the raster in natural sciences context. To preserve compatibility optional argument `cropped` has been created, defaulting to `TRUE` (i.e. behavior before v1.10.0).
 #'
 #' Due to package size constraints both versions are stored externally (and a working internet connection is required to use the package).
 #'
@@ -14,7 +14,7 @@
 #'
 #' @param format Should the function return actual terrain (meters above sea level) or shaded relief (rayshaded). Allowed values are "actual" and "rayshaded".
 #'
-#' @param cropped Should the raster provide data over Czech Republic's bounding box (cropped = FALSE) or just actual borders (cropped = TRUE). Defaults to TRUE to preserve compatiblity with earlier versions.
+#' @param cropped Should the raster provide data over Czech Republic's bounding box (cropped = FALSE) or just actual borders (cropped = TRUE). Defaults to TRUE to preserve compatibility with earlier versions.
 #'
 #' @return `terra` package SpatRaster
 #'
diff --git a/man/RCzechia-package.Rd b/man/RCzechia-package.Rd
index e6dedb8..6d01181 100644
--- a/man/RCzechia-package.Rd
+++ b/man/RCzechia-package.Rd
@@ -72,7 +72,7 @@ source:  \href{https://geoportal.cuzk.cz/(S(ej02xjih2qfbe4ayjguzaidr))/Default.a
 source:  \href{https://geoportal.cuzk.cz/(S(ej02xjih2qfbe4ayjguzaidr))/Default.aspx?lng=EN&menu=2292&mode=TextMeta&side=mapy_data200&metadataID=CZ-CUZK-DATA200-VODSTVO-V}{Data200}, high res object: 687.0 KB, no low res version
 \item \emph{lesy} - woodland areas
 
-source:  \href{https://www.arcdata.cz/produkty/geograficka-data/arccr-4}{ArcČR 500 v3.3}, high res object: 2.1 MB, no low res version
+source:  \href{https://www.arcdata.cz/cs-cz/produkty/data/arccr?rsource=https\%3A\%2F\%2Fwww.arcdata.cz\%2Fprodukty\%2Fgeograficka-data\%2Farccr-4}{ArcČR 500 v3.3}, high res object: 2.1 MB, no low res version
 \item \emph{silnice} - roads
 
 source:  \href{https://geoportal.cuzk.cz/(S(ej02xjih2qfbe4ayjguzaidr))/Default.aspx?menu=2296&mode=TextMeta&side=mapy_data200&metadataID=CZ-CUZK-DATA200-DOPRAVA-V}{Data200}, high res object: 6.0 MB, no low res version
@@ -87,7 +87,7 @@ source:  own work,  internal
 source:  \href{https://data.nature.cz/}{AOPK ČR}, high res object: 7.0 MB, no low res version
 \item \emph{vyskopis} - terrain relief
 
-source:  \href{https://land.copernicus.eu/imagery-in-situ/eu-dem}{Copernicus EU}, high res object: 68.8 MB, no low res version
+source:  \href{https://land.copernicus.eu/en/products/products-that-are-no-longer-disseminated-on-the-clms-website}{Copernicus EU}, high res object: 68.8 MB, no low res version
 \item \emph{geomorfo} - geomorphological divisions
 
 source:  \href{https://www.arcgis.com/home/item.html?id=25813686a8564b0bbcdc951a5573cfa4}{CENIA / INSPIRE}, high res object: <1 MB, no low res version
diff --git a/man/vyskopis.Rd b/man/vyskopis.Rd
index c4a83a8..64112ed 100644
--- a/man/vyskopis.Rd
+++ b/man/vyskopis.Rd
@@ -12,7 +12,7 @@ vyskopis(format = "rayshaded", cropped = TRUE)
 \arguments{
 \item{format}{Should the function return actual terrain (meters above sea level) or shaded relief (rayshaded). Allowed values are "actual" and "rayshaded".}
 
-\item{cropped}{Should the raster provide data over Czech Republic's bounding box (cropped = FALSE) or just actual borders (cropped = TRUE). Defaults to TRUE to preserve compatiblity with earlier versions.}
+\item{cropped}{Should the raster provide data over Czech Republic's bounding box (cropped = FALSE) or just actual borders (cropped = TRUE). Defaults to TRUE to preserve compatibility with earlier versions.}
 }
 \value{
 \code{terra} package SpatRaster
@@ -25,7 +25,7 @@ The function returns a raster file of either actual terrain (values are meters a
 
 The raster is created from EU DEM 1.1 file by Copernicus Land Monitoring service. The original file has pixel resolution 25×25 meters, which is too detailed for purposes of the package and was downsampled by factor of 4.
 
-The extent of the raster file is bouding box of the Czech Republic; this is a change to prior versions in order to better facilitate use of the raster in natural sciences context. To preserve compatibility optional argument \code{cropped} has been created, defaulting to \code{TRUE} (i.e. behaviour before v1.10.0).
+The extent of the raster file is bounding box of the Czech Republic; this is a change to prior versions in order to better facilitate use of the raster in natural sciences context. To preserve compatibility optional argument \code{cropped} has been created, defaulting to \code{TRUE} (i.e. behavior before v1.10.0).
 
 Due to package size constraints both versions are stored externally (and a working internet connection is required to use the package).