diff --git a/DESCRIPTION b/DESCRIPTION
index d48647cf..18d73978 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -16,7 +16,7 @@ Authors@R: c(
 	)
 Description: Thematic maps are geographical maps in which spatial data distributions are visualized. This package offers a flexible, layer-based, and easy to use approach to create thematic maps, such as choropleths and bubble maps.
 Version: 3.3-4
-Date: 2023-04-05
+Date: 2023-09-08
 Encoding: UTF-8
 Depends:
     R (>= 3.5.0),
@@ -59,4 +59,4 @@ Suggests:
 URL: https://r-tmap.github.io/tmap/, https://github.com/r-tmap/tmap
 BugReports: https://github.com/r-tmap/tmap/issues
 VignetteBuilder: knitr
-RoxygenNote: 7.1.2
+RoxygenNote: 7.2.3
diff --git a/R/onLoad.R b/R/onLoad.R
index 2cfd605a..6aae3836 100644
--- a/R/onLoad.R
+++ b/R/onLoad.R
@@ -16,6 +16,10 @@
 	
 } 
 
+.onAttach <- function(libname, pkgname) {
+	packageStartupMessage("Breaking News: tmap 3.x is retiring. Please test the upcoming tmap 4.x (on GitHub).")
+}
+
 .TMAP_CACHE <- new.env(FALSE, parent=globalenv())
 
 .crs_longlat <- sf::st_crs(4326)
diff --git a/man/tm_layout.Rd b/man/tm_layout.Rd
index 209de964..c9bb2201 100644
--- a/man/tm_layout.Rd
+++ b/man/tm_layout.Rd
@@ -108,7 +108,7 @@ tm_format(format, ...)
 
 \item{aes.color}{Default color values for the aesthetics layers. Should be a named vector with the names chosen from: \code{fill}, \code{borders}, \code{symbols}, \code{dots}, \code{lines}, \code{text}, \code{na}. Use \code{"#00000000"} for transparency.}
 
-\item{aes.palette}{Default color palettes for the aesthetics. It takes a list of three items: \code{seq} for sequential palettes, \code{div} for diverging palettes, and \code{cat} for categorical palettes. By default, Color Brewer palettes (see (see \code{tmaptools::palette_explorer()})) are used. It is also possible provide a vector of colors for any of these items.}
+\item{aes.palette}{Default color palettes for the aesthetics. It takes a list of three items: \code{seq} for sequential palettes, \code{div} for diverging palettes, and \code{cat} for categorical palettes. By default, Color Brewer palettes (see \code{tmaptools::palette_explorer()}) are used. It is also possible provide a vector of colors for any of these items.}
 
 \item{attr.color}{Default color value for map attributes}