diff --git a/.Rbuildignore b/.Rbuildignore
index ee96fab..a7dae6a 100644
--- a/.Rbuildignore
+++ b/.Rbuildignore
@@ -18,3 +18,4 @@ revdep
 ^\.github$
 ^logo\.png$
 ^CRAN-SUBMISSION$
+_pkgdown.yml
diff --git a/R/RStoolbox-package.R b/R/RStoolbox-package.R
index 0830a26..a6ae072 100644
--- a/R/RStoolbox-package.R
+++ b/R/RStoolbox-package.R
@@ -52,9 +52,8 @@
 #' \item \code{\link{ggRGB}}: efficient plotting of remote sensing imagery in RGB with ggplot2
 #' }
 #'
-#' @concept earth-observation
-#' @concept remote-sensing
-#' @concept spatial-data-analysis
+#' @keywords earth-observation remote-sensing spatial-data-analysis
+#'
 #' "RStoolbox"
 #'
 #' @import sf terra
diff --git a/man/RStoolbox.Rd b/man/RStoolbox.Rd
index 5076742..c725494 100755
--- a/man/RStoolbox.Rd
+++ b/man/RStoolbox.Rd
@@ -64,7 +64,6 @@ The RStoolbox package provides a set of functions which simplify performing stan
 }
 }
 
-\concept{earth-observation}
-\concept{remote-sensing}
-\concept{spatial-data-analysis
-"RStoolbox"}
+\keyword{earth-observation}
+\keyword{remote-sensing}
+\keyword{spatial-data-analysis}