diff --git a/DESCRIPTION b/DESCRIPTION
index af54945..dec270f 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: wbdataset
 Title: Making Datasets Truly Interoperable and Reusable in R with Wikibase
-Version: 0.1.1016
+Version: 0.1.1017
 Date: 2024-02-20
 Authors@R: 
     c(person(given="Daniel", family="Antal", 
diff --git a/R/copy_wikidata_item.R b/R/copy_wikidata_item.R
index cdc7484..0a3a370 100644
--- a/R/copy_wikidata_item.R
+++ b/R/copy_wikidata_item.R
@@ -68,11 +68,14 @@ copy_wikidata_item <- function(
       qid_equivalence_property <- wikibase_session$qid_equivalence_property
     }
 
-    if (!is.null(wikibase_session$language)) {
-      language <- wikibase_session$language
+    if(!is.null(wikibase_session$language)) {
+      # overwrite session default if it does not exist
+      if (is.null(language)) language <- wikibase_session$language
     }
-    if (!is.null(wikibase_session$data_curator)) {
-      data_curator <- wikibase_session$data_curator
+
+    if(!is.null(wikibase_session$data_curator)) {
+      # overwrite session default if it does not exist
+      if( is.null(data_curator)) data_curator <- wikibase_session$data_curator
     }
 
     if (!is.null(wikibase_session$wikibase_api_url)) {
diff --git a/R/copy_wikidata_property.R b/R/copy_wikidata_property.R
index 8f1b80e..cce5790 100644
--- a/R/copy_wikidata_property.R
+++ b/R/copy_wikidata_property.R
@@ -71,11 +71,14 @@ copy_wikidata_property <- function(
       pid_equivalence_property <- wikibase_session$pid_equivalence_property
     }
 
-    if (!is.null(wikibase_session$language)) {
-      language <- wikibase_session$language
+    if(!is.null(wikibase_session$language)) {
+      # overwrite session default if it does not exist
+      if (is.null(language)) language <- wikibase_session$language
     }
-    if (!is.null(wikibase_session$data_curator)) {
-      data_curator <- wikibase_session$data_curator
+
+    if(!is.null(wikibase_session$data_curator)) {
+      # overwrite session default if it does not exist
+      if( is.null(data_curator)) data_curator <- wikibase_session$data_curator
     }
 
     if (!is.null(wikibase_session$wikibase_api_url)) {
@@ -126,7 +129,7 @@ copy_wikidata_property <- function(
   # Timestamping ---------------------------------------------------------------------
   action_time <- Sys.time()
   # Save the time of running the code
-  action_timestamp <- action_timestamp_create()
+  action_timestamp <- wbdataset:::action_timestamp_create()
   log_file_name <- paste0("wbdataset_copy_wikibase_item_", action_timestamp, ".csv")
 
 
diff --git a/R/create_item.R b/R/create_item.R
index 4da1386..0845442 100644
--- a/R/create_item.R
+++ b/R/create_item.R
@@ -1,7 +1,7 @@
 #' @title Create a property
 #' @description Creates an item entity on a Wikibase instance with a single
 #' language labelling and description. New labels and descriptions can be added
-#' in further languages later. This is a wrapper for
+#' in further language later. This is a wrapper for
 #' \href{https://www.wikidata.org/w/api.php?action=help&modules=wbeditentity}{MediaWiki
 #' action=wbeditentity}
 #' @details Optionally, the function adds an equivalent item to this newly
@@ -83,11 +83,14 @@ create_item <- function(label,
   if (!is.null(wikibase_session)) {
     # For repeated queries you can add your variables directly or in a list
 
-    if(!is.null(wikibase_session$languages)) {
-      languages <- wikibase_session$languages
+    if(!is.null(wikibase_session$language)) {
+      # overwrite session default if it does not exist
+      if (is.null(language)) language <- wikibase_session$language
     }
+
     if(!is.null(wikibase_session$data_curator)) {
-      data_curator <- wikibase_session$data_curator
+      # overwrite session default if it does not exist
+      if( is.null(data_curator)) data_curator <- wikibase_session$data_curator
     }
 
     if(!is.null(wikibase_session$wikibase_api_url)) {
diff --git a/R/create_property.R b/R/create_property.R
index 01e25cc..9f07284 100644
--- a/R/create_property.R
+++ b/R/create_property.R
@@ -1,7 +1,7 @@
 #' @title Create a property
 #' @description Creates a property entity on a Wikibase instance with a single
 #' language labelling and description. New labels and descriptions can be added
-#' in further languages later. This is a wrapper for
+#' in further language later. This is a wrapper for
 #' \href{https://www.wikidata.org/w/api.php?action=help&modules=wbeditentity}{MediaWiki
 #' action=wbeditentity}
 #' @details Optionally, the function adds an equivalent property to this newly
@@ -84,11 +84,13 @@ create_property <- function(label,
   if (!is.null(wikibase_session)) {
     # For repeated queries you can add your variables directly or in a list
 
-    if(!is.null(wikibase_session$languages)) {
-      languages <- wikibase_session$languages
+    if(!is.null(wikibase_session$language)) {
+      # overwrite session default if it does not exist
+      if (is.null(language)) language <- wikibase_session$language
     }
     if(!is.null(wikibase_session$data_curator)) {
-      data_curator <- wikibase_session$data_curator
+      # overwrite session default if it does not exist
+      if( is.null(data_curator)) data_curator <- wikibase_session$data_curator
     }
 
     if(!is.null(wikibase_session$wikibase_api_url)) {
diff --git a/README.Rmd b/README.Rmd
index 6bad58b..6aaca6f 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -18,7 +18,7 @@ knitr::opts_chunk$set(
 <!-- badges: start -->
 [![Lifecycle: experimental](https://img.shields.io/badge/lifecycle-experimental-orange.svg)](https://lifecycle.r-lib.org/articles/stages.html#experimental)
 [![CRAN status](https://www.r-pkg.org/badges/version/wbdataset)](https://CRAN.R-project.org/package=wbdataset)
-[![devel-version](https://img.shields.io/badge/devel%20version-0.1.1016-blue.svg)](https://github.com/dataobservatory-eu/wbdataset)
+[![devel-version](https://img.shields.io/badge/devel%20version-0.1.1017-blue.svg)](https://github.com/dataobservatory-eu/wbdataset)
 [![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.13972192.svg)
 [![Codecov test coverage](https://codecov.io/gh/dataobservatory-eu/wbdataset/graph/badge.svg)](https://app.codecov.io/gh/dataobservatory-eu/wbdataset)
 <!-- badges: end -->
@@ -35,10 +35,6 @@ devtools::install_github("antaldaniel/dataset")
 devtools::install_github("dataobservatory-eu/wbdataset")
 ```
 
-```{r}
-library(wbdataset)
-```
-
 ## Example
 
 This is a basic example which shows you how to solve a common problem:
diff --git a/README.md b/README.md
index 46c5129..c811363 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 experimental](https://img.shields.io/badge/lifecycle-experimental-orange.svg)](https://lifecycle.r-lib.org/articles/stages.html#experimental)
 [![CRAN
 status](https://www.r-pkg.org/badges/version/wbdataset)](https://CRAN.R-project.org/package=wbdataset)
-[![devel-version](https://img.shields.io/badge/devel%20version-0.1.1016-blue.svg)](https://github.com/dataobservatory-eu/wbdataset)
+[![devel-version](https://img.shields.io/badge/devel%20version-0.1.1017-blue.svg)](https://github.com/dataobservatory-eu/wbdataset)
 \[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.13972192.svg)
 [![Codecov test
 coverage](https://codecov.io/gh/dataobservatory-eu/wbdataset/graph/badge.svg)](https://app.codecov.io/gh/dataobservatory-eu/wbdataset)
@@ -33,10 +33,6 @@ devtools::install_github("antaldaniel/dataset")
 devtools::install_github("dataobservatory-eu/wbdataset")
 ```
 
-``` r
-library(wbdataset)
-```
-
 ## Example
 
 This is a basic example which shows you how to solve a common problem:
diff --git a/man/create_item.Rd b/man/create_item.Rd
index c0d1850..6b4faf0 100644
--- a/man/create_item.Rd
+++ b/man/create_item.Rd
@@ -73,7 +73,7 @@ are:
 \description{
 Creates an item entity on a Wikibase instance with a single
 language labelling and description. New labels and descriptions can be added
-in further languages later. This is a wrapper for
+in further language later. This is a wrapper for
 \href{https://www.wikidata.org/w/api.php?action=help&modules=wbeditentity}{MediaWiki
 action=wbeditentity}
 }
diff --git a/man/create_property.Rd b/man/create_property.Rd
index 938087e..b956b7e 100644
--- a/man/create_property.Rd
+++ b/man/create_property.Rd
@@ -77,7 +77,7 @@ are:
 \description{
 Creates a property entity on a Wikibase instance with a single
 language labelling and description. New labels and descriptions can be added
-in further languages later. This is a wrapper for
+in further language later. This is a wrapper for
 \href{https://www.wikidata.org/w/api.php?action=help&modules=wbeditentity}{MediaWiki
 action=wbeditentity}
 }
diff --git a/vignettes/start.Rmd b/vignettes/start.Rmd
index ee97da9..b208f11 100644
--- a/vignettes/start.Rmd
+++ b/vignettes/start.Rmd
@@ -72,7 +72,7 @@ There are two ways to create items:
 paris_item <- copy_wikidata_item(
   qid_on_wikidata = "Q90", # check https://www.wikidata.org/wiki/Q90
   qid_equivalence_property = NULL, # we will get back to this later
-  languages = c("en", "fr", "nl"), # select languages with 2-letter codes
+  language = c("en", "fr", "nl"), # select language with 2-letter codes
   wikibase_api_url = "https://reprexbase.eu/jekyll/api.php",  # Wikibase address
   data_curator = person("Jane", "Doe"), # Your name should go in here !
   log_path = tempdir(), # You can add a location where you save log file
@@ -141,7 +141,7 @@ it is saved in `e20`. If the action was successul, which you can check with `e20
 capital_cities <- copy_wikidata_property(
     qid_on_wikidata = c("Q2807", "Q3114", "Q1490"),
     qid_equivalence_property = "P35",  # use your Wikibase instance's number
-    languages = c("en", "nl", "hu", "es" ),
+    language = c("en", "nl", "hu", "es" ),
     wikibase_api_url = "https://reprexbase.eu/jekyll/api.php",
     data_curator = person("Joe", "Doe"),
     log_path = tempdir(),
@@ -168,7 +168,7 @@ Properties connect new information to your items (nodes.) Such properties need t
 p21 <- copy_wikidata_property(
   pid_on_wikidata = "P21",
   pid_equivalence_property = "P2", # You need to change this to your numbering
-  languages = c("en", "hu"),
+  language = c("en", "hu"),
   wikibase_api_url = "https://reprexbase.eu/jekyll/api.php",
   data_curator = person("Jane", "Doe"), # Replace it with your name
   csrf = my_csrf
@@ -257,7 +257,7 @@ You can copy many properties at once, too, but only with the same language, cura
 spotify_id_properties <- copy_wikidata_property(
     pid_on_wikidata = c("P2207", "P2205", "P8704"),
     pid_equivalence_property = "P2", # use the P number on your Wikibase instance
-    languages = c("en", "nl", "hu" ),
+    language = c("en", "nl", "hu" ),
     wikibase_api_url = "https://reprexbase.eu/jekyll/api.php",
     data_curator = person("Jane", "Doe"),
     log_path = tempdir(),