diff --git a/DESCRIPTION b/DESCRIPTION
index 6dc188af169c8da311e7c69d72a2ed72c6ee72a5..260f9bd8ac5636c1efd615a0a68f76af05fca3db 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -8,7 +8,7 @@ Description: A package that supports simulating choice experiment data for given
 License: MIT + file LICENSE
 Encoding: UTF-8
 Roxygen: list(markdown = TRUE)
-RoxygenNote: 7.2.2
+RoxygenNote: 7.3.0
 Imports: 
     dplyr (>= 1.1.4),
     evd,
diff --git a/R/sim_all.R b/R/sim_all.R
index 469c9b27eab74db5452b770cf5a218f2864ba8d9..ebb7d06d80faeb51d86ef5e41c2046b0096abd0a 100644
--- a/R/sim_all.R
+++ b/R/sim_all.R
@@ -41,7 +41,7 @@ sim_all <- function(nosim=2, resps, destype="ngene", designpath, u){
   tictoc::tic()
 
   all_designs<- purrr::map(designfile, sim_choice,
-                           no_sim= nosim,respondents = resps,  destype=destype, utils=u) %>%  ## iterate simulation over all designs
+                           no_sim= nosim,respondents = resps,  destype=destype, ut=u) %>%  ## iterate simulation over all designs
     stats::setNames(designname)
 
 
diff --git a/R/sim_choice.R b/R/sim_choice.R
index 63ee8072926af38973d7ec0d276f8ae59097c7a0..fed4fec773f91886f833acaf261518a56c70fe2d 100644
--- a/R/sim_choice.R
+++ b/R/sim_choice.R
@@ -11,22 +11,23 @@
 #' @param designfile path to a file containing a design.
 #' @param no_sim Number of runs i.e. how often do you want the simulation to be repeated
 #' @param respondents Number of respondents. How many respondents do you want to simulate in each run.
-#' @param utils The first element of the utility function list
+#' @param ut The first element of the utility function list
 #' @param destype Specify which type of design you use. Either ngene or spdesign
 #'
 #' @return a list with all information on the run
 #' @export
 #'
 #' @examples \dontrun{  simchoice(designfile="somefile", no_sim=10, respondents=330,
-#'  mnl_U,utils=u[[1]] ,destype="ngene")}
+#'  mnl_U,ut=u[[1]] ,destype="ngene")}
 #'
-sim_choice <- function(designfile, no_sim=10, respondents=330,utils ,destype=destype) {
+sim_choice <- function(designfile, no_sim=10, respondents=330,ut ,destype=destype) {
 
 
 
 ####  Function that transforms user written utility for simulation into utility function for mixl.
   transform_util <- function() {
-    mnl_U <-paste(purrr::map_chr(utils[[1]],as.character,keep.source.attr = TRUE),collapse = "",";") %>%
+
+    mnl_U <-paste(purrr::map_chr(ut[[1]],as.character,keep.source.attr = TRUE),collapse = "",";") %>%
       stringr::str_replace_all( c( "priors\\[\"" = "" , "\"\\]" = "" ,  "~" = "=", "\\." = "_" , " b" = " @b"  , "V_"="U_", " alt"="$alt"))
 
   }
@@ -37,7 +38,7 @@ sim_choice <- function(designfile, no_sim=10, respondents=330,utils ,destype=des
 
     cat("This is Run number ", run)
 
-    database <- simulate_choices(datadet, utility = utils, setspp=setpp )
+    database <- simulate_choices(datadet, utility = ut, setspp=setpp )
 
 
     cat("This is the utility functions \n" , mnl_U)
@@ -59,7 +60,7 @@ designs_all <- list()
 
  cat("Utility function used in simulation, ie the true utility: \n\n")
 
-     print(utils)
+     print(ut)
 
 
   cat("Utility function used for Logit estimation with mixl: \n\n")
@@ -91,7 +92,7 @@ designs_all <- list()
     dplyr::relocate(ID,`Choice.situation`) %>%
     as.data.frame()
 
-  database <- simulate_choices(data=datadet, utility = utils, setspp = setpp)
+  database <- simulate_choices(data=datadet, utility = ut, setspp = setpp)
 
 
 # specify model for mixl estimation
diff --git a/R/simulate_choices.R b/R/simulate_choices.R
index b1fbfad0c36a3d8b53e5c8f613367805614cd56d..5a0d322145f85f82b00841e3c7aaf8f0be7f25c6 100644
--- a/R/simulate_choices.R
+++ b/R/simulate_choices.R
@@ -7,7 +7,7 @@
 #' @return a dataframe that includes simulated choices and a design
 #' @export
 #'
-#' @examples \dontrun{simulate_choices(datadet, utils,setspp)}
+#' @examples \dontrun{simulate_choices(datadet, ut,setspp)}
 simulate_choices <- function(data, utility, setspp, destype) {  #the part in dataset that needs to be repeated in each run
 
 
diff --git a/man/sim_choice.Rd b/man/sim_choice.Rd
index 42e6f038eb61c6f09f54921facc46da4b91c3d7c..8f40c9644dbb09820fdbd4a9bd7ec525d612dc08 100644
--- a/man/sim_choice.Rd
+++ b/man/sim_choice.Rd
@@ -4,13 +4,7 @@
 \alias{sim_choice}
 \title{Title}
 \usage{
-sim_choice(
-  designfile,
-  no_sim = 10,
-  respondents = 330,
-  utils,
-  destype = destype
-)
+sim_choice(designfile, no_sim = 10, respondents = 330, ut, destype = destype)
 }
 \arguments{
 \item{designfile}{path to a file containing a design.}
@@ -19,7 +13,7 @@ sim_choice(
 
 \item{respondents}{Number of respondents. How many respondents do you want to simulate in each run.}
 
-\item{utils}{The first element of the utility function list}
+\item{ut}{The first element of the utility function list}
 
 \item{destype}{Specify which type of design you use. Either ngene or spdesign}
 }
@@ -31,6 +25,6 @@ Title
 }
 \examples{
 \dontrun{  simchoice(designfile="somefile", no_sim=10, respondents=330,
- mnl_U,utils=u[[1]] ,destype="ngene")}
+ mnl_U,ut=u[[1]] ,destype="ngene")}
 
 }
diff --git a/man/simulate_choices.Rd b/man/simulate_choices.Rd
index b9cb87d2184e3be878e8eaa36ce1c4541d7e7a98..3a3f85f27f0504e0742ee6c439ceb1d6f6071fc5 100644
--- a/man/simulate_choices.Rd
+++ b/man/simulate_choices.Rd
@@ -22,5 +22,5 @@ a dataframe that includes simulated choices and a design
 Simulate choices based on a dataframe with a design
 }
 \examples{
-\dontrun{simulate_choices(datadet, utils,setspp)}
+\dontrun{simulate_choices(datadet, ut,setspp)}
 }
diff --git a/tests/manual-tests/Rbookfull.R b/tests/manual-tests/Rbookfull.R
index 34bd8ace893bb8e88cfce873ab83cf5452f5fd9a..4596edf730d4f9c1a205d95c28e012ecb89e9e0d 100644
--- a/tests/manual-tests/Rbookfull.R
+++ b/tests/manual-tests/Rbookfull.R
@@ -6,7 +6,6 @@ devtools::load_all()
 set.seed(3393)
 
 designpath<- system.file("extdata","Rbook" ,package = "simulateDCE")
-
 #notes <- "This design consists of different heuristics. One group did not attend the methan attribute, another group only decided based on the payment"
 
 notes <- "No Heuristics"
@@ -38,7 +37,7 @@ ul<- list(u1= list(
 
 
 
-rbook <- sim_all(nosim = nosim, resps=resps, destype = destype,
+rbook <- simulateDCE::sim_all(nosim = nosim, resps=resps, destype = destype,
                  designpath = designpath, u= ul)