diff --git a/R/sample_background.R b/R/sample_background.R
index e129a27..5d68745 100644
--- a/R/sample_background.R
+++ b/R/sample_background.R
@@ -19,14 +19,14 @@
 #' (see details below).
 #' @param raster the [terra::SpatRaster] or `stars` from which cells will be sampled (the first layer
 #' will be used to determine which cells are NAs, and thus can not be sampled). If
-#' sampling is "biased", then the sampling probability will be proportional to the values on
+#' sampling is "bias", then the sampling probability will be proportional to the values on
 #' the first layer (i.e. band) of the raster. 
 #' @param n number of background points to sample.
 #' @param coords a vector of length two giving the names of the "x" and "y"
 #' coordinates, as found in `data`. If left to NULL, the function will
 #' try to guess the columns based on standard names `c("x", "y")`, `c("X","Y")`,
 #'  `c("longitude", "latitude")`, or `c("lon", "lat")`.
-#' @param method sampling method. One of 'random', 'dist_max', and 'targeted'.
+#' @param method sampling method. One of 'random', 'dist_max', and 'bias'.
 #' For dist_max, the maximum distance is set as an additional element of a vector,
 #' e.g c('dist_max',70000).
 #' @param class_label the label given to the sampled points. Defaults to `background`
@@ -68,14 +68,14 @@ sample_background <- function(data, raster, n, coords = NULL,
     }
     dist_max <- as.numeric(method[2])
   } else if (!method[1] %in% c("random", "bias")) {
-    stop("method has to be one of 'random', 'dist_min', 'dist_max', or 'dist_disc'")
+    stop("method has to be one of 'random', 'dist_max', or 'bias'")
   }
   xy_pres <- as.matrix(as.data.frame(data)[, coords])
   # get a one layer raster
   sampling_raster <- raster[[1]]
   names(sampling_raster) <- "class"
 
-  # remove buffer >dist_max (or second parameter for disc)
+  # remove buffer >dist_max
   if (!is.null(dist_max)) {
     max_buffer <- terra::buffer(
       terra::vect(xy_pres,
diff --git a/R/sample_background_time.R b/R/sample_background_time.R
index ae3ba54..9aeecde 100644
--- a/R/sample_background_time.R
+++ b/R/sample_background_time.R
@@ -1,7 +1,7 @@
 #' Sample background points for SDM analysis for points with a time point.
 #'
 #' This function samples background points from a raster given a set of presences.
-#' The locations returned as the center points of the sampled cells,, which can
+#' The locations returned as the center points of the sampled cells, which can
 #' overlap with the presences (in contrast to pseudo-absences, see 
 #' [sample_pseudoabs_time]). The following methods are implemented:
 #' * 'random': background points randomly sampled from the region covered by the
@@ -31,8 +31,8 @@
 #' @param time_col The name of the column with time; if time is not a lubridate object,
 #' use `lubridate_fun` to provide a function that can be used to convert appropriately
 #' @param lubridate_fun function to convert the time column into a lubridate object
-#' @param method sampling method. One of 'random', 'dist_min', 'dist_max', or
-#' 'dist_disc'.
+#' @param method sampling method. One of 'random', 'dist_max', or
+#' 'bias'.
 #' @param class_label the label given to the sampled points. Defaults to `background`
 #' @param return_pres return presences together with background
 #'  in a single tibble
@@ -56,7 +56,6 @@ sample_background_time <- function(data, raster, n_per_time_step, coords = NULL,
     stop("'time_buffer' should only be set with method 'dist_max'")
   }
   
-  
   # create a vector of times formatted as proper dates
   time_lub <- data %>%
     sf::st_drop_geometry() %>%
diff --git a/man/sample_background.Rd b/man/sample_background.Rd
index fafae94..d8005e2 100644
--- a/man/sample_background.Rd
+++ b/man/sample_background.Rd
@@ -21,7 +21,7 @@ These can be defined in \code{coords}, unless they have standard names
 
 \item{raster}{the \link[terra:SpatRaster-class]{terra::SpatRaster} or \code{stars} from which cells will be sampled (the first layer
 will be used to determine which cells are NAs, and thus can not be sampled). If
-sampling is "biased", then the sampling probability will be proportional to the values on
+sampling is "bias", then the sampling probability will be proportional to the values on
 the first layer (i.e. band) of the raster.}
 
 \item{n}{number of background points to sample.}
@@ -31,7 +31,7 @@ coordinates, as found in \code{data}. If left to NULL, the function will
 try to guess the columns based on standard names \code{c("x", "y")}, \code{c("X","Y")},
 \code{c("longitude", "latitude")}, or \code{c("lon", "lat")}.}
 
-\item{method}{sampling method. One of 'random', 'dist_max', and 'targeted'.
+\item{method}{sampling method. One of 'random', 'dist_max', and 'bias'.
 For dist_max, the maximum distance is set as an additional element of a vector,
 e.g c('dist_max',70000).}
 
diff --git a/man/sample_background_time.Rd b/man/sample_background_time.Rd
index 952cad5..c82053a 100644
--- a/man/sample_background_time.Rd
+++ b/man/sample_background_time.Rd
@@ -39,8 +39,8 @@ use \code{lubridate_fun} to provide a function that can be used to convert appro
 
 \item{lubridate_fun}{function to convert the time column into a lubridate object}
 
-\item{method}{sampling method. One of 'random', 'dist_min', 'dist_max', or
-'dist_disc'.}
+\item{method}{sampling method. One of 'random', 'dist_max', or
+'bias'.}
 
 \item{class_label}{the label given to the sampled points. Defaults to \code{background}}
 
@@ -61,7 +61,7 @@ presence level is set as the reference (to match the expectations in the
 }
 \description{
 This function samples background points from a raster given a set of presences.
-The locations returned as the center points of the sampled cells,, which can
+The locations returned as the center points of the sampled cells, which can
 overlap with the presences (in contrast to pseudo-absences, see
 \link{sample_pseudoabs_time}). The following methods are implemented:
 \itemize{