diff --git a/R/rdb_series.R b/R/rdb_series.R
index 2103cf9faf200185854c90a69ccfcdd7a1de94b2..31c4ede9d5bb58508d7676f4a82c8a2e1ed59730 100644
--- a/R/rdb_series.R
+++ b/R/rdb_series.R
@@ -8,7 +8,7 @@
 #' a total of approximately 720 millions series.
 #'
 #' By default, the function returns a nested named list of \code{data.table}s
-#' containing the dimensions of datasets for providers from
+#' containing the series of datasets for providers from
 #' \href{https://db.nomics.world/}{DBnomics}.
 #' 
 #' @param provider_code Character string (default \code{NULL}). DBnomics code
@@ -18,7 +18,7 @@
 #' @param dataset_code Character string (default \code{NULL}). DBnomics code
 #' of one or multiple datasets of a provider. If \code{NULL}, the datasets
 #' codes are dowloaded with the function \code{\link{rdb_datasets}} and then
-#' the dimensions are requested.
+#' the series are requested.
 #' @param use_readLines Logical (default \code{FALSE}). If \code{TRUE}, then
 #' the data are requested and read with the base function \code{readLines} i.e.
 #' through the default R internet connection. This can be used to get round the
@@ -33,14 +33,13 @@
 #' \code{names(curl_options())} and
 #' \href{https://curl.haxx.se/libcurl/c/curl_easy_setopt.html}{libcurl}.
 #' @param simplify Logical (default \code{FALSE}). If \code{TRUE}, when the
-#' dimensions are requested for only one provider and one dataset then a
-#' named list of \code{data.table}s is returned, not a nested named list of
+#' series are requested for only one provider and one dataset then a
+#' \code{data.table} is returned, not a nested named list of
 #' \code{data.table}s.
 #' @param verbose Logical (default \code{FALSE}). Show number of series per
 #' datasets and providers.
 #' @param ... Additionals arguments.
-#' @return A nested named list of \code{data.table}s or a named list of
-#' \code{data.table}s.
+#' @return A nested named list of \code{data.table}s or a \code{data.table}.
 #' @examples
 #' \dontrun{
 #' rdb_series(provider_code = "IMF", dataset_code = "WEO")
diff --git a/README.md b/README.md
index 7006bf525d8e5a1215ab29d1d55b1b5c7a919d6b..7f56221832a580f53a06b88a058aaf8e178aa7e8 100644
--- a/README.md
+++ b/README.md
@@ -137,7 +137,9 @@ df_dimensions <- rdb_dimensions(provider_code = "IMF", dataset_code = "WEO", sim
 ## Fetch the number of series of available datasets of a provider
 ```r
 # Example for the dataset WEOAGG of the IMF:
-rdb_series(provider_code = "IMF", dataset_code = "WEOAGG", simplify = TRUE)
+df_series <- rdb_series(provider_code = "IMF", dataset_code = "WEOAGG")
+
+df_series <- rdb_series(provider_code = "IMF", dataset_code = "WEOAGG", simplify = TRUE)
 ```
 
 :warning: We ask the user to use this function parsimoniously because there are a huge amount
diff --git a/man/rdb_series.Rd b/man/rdb_series.Rd
index 3a4d8fab3f50146fe0e5b66ce2744e8aec45f30e..28bd6662597efe4228f0b9fe29aa22c11ea60df1 100644
--- a/man/rdb_series.Rd
+++ b/man/rdb_series.Rd
@@ -23,7 +23,7 @@ datasets are requested.}
 \item{dataset_code}{Character string (default \code{NULL}). DBnomics code
 of one or multiple datasets of a provider. If \code{NULL}, the datasets
 codes are dowloaded with the function \code{\link{rdb_datasets}} and then
-the dimensions are requested.}
+the series are requested.}
 
 \item{use_readLines}{Logical (default \code{FALSE}). If \code{TRUE}, then
 the data are requested and read with the base function \code{readLines} i.e.
@@ -41,8 +41,8 @@ For available curl options see \code{\link[curl]{curl_options}},
 \href{https://curl.haxx.se/libcurl/c/curl_easy_setopt.html}{libcurl}.}
 
 \item{simplify}{Logical (default \code{FALSE}). If \code{TRUE}, when the
-dimensions are requested for only one provider and one dataset then a
-named list of \code{data.table}s is returned, not a nested named list of
+series are requested for only one provider and one dataset then a
+\code{data.table} is returned, not a nested named list of
 \code{data.table}s.}
 
 \item{verbose}{Logical (default \code{FALSE}). Show number of series per
@@ -51,8 +51,7 @@ datasets and providers.}
 \item{...}{Additionals arguments.}
 }
 \value{
-A nested named list of \code{data.table}s or a named list of
-\code{data.table}s.
+A nested named list of \code{data.table}s or a \code{data.table}.
 }
 \description{
 \code{rdb_series} downloads the list of series for
@@ -64,7 +63,7 @@ a total of approximately 720 millions series.
 }
 \details{
 By default, the function returns a nested named list of \code{data.table}s
-containing the dimensions of datasets for providers from
+containing the series of datasets for providers from
 \href{https://db.nomics.world/}{DBnomics}.
 }
 \examples{
diff --git a/vignettes/rdbnomics.Rmd b/vignettes/rdbnomics.Rmd
index 2d8813cd08e9d5cb7175e6a5af2d747ed721333c..6fc25b2e55e5e9ffb2a5016d91fc5086360bf924 100644
--- a/vignettes/rdbnomics.Rmd
+++ b/vignettes/rdbnomics.Rmd
@@ -731,7 +731,7 @@ rdbnomics:::rdbnomics_df022 %>%
 You can download the list of series, and especially their codes, of a dataset's
 provider by using the function `rdb_series`. The result is a nested named list
 with a `data.table` at the end of each branch. If you define `simplify = TRUE`,
-then the result will be a named list `data.table` not a nested named list.  
+then the result will be a `data.table` not a nested named list.  
 For example, for the **IMF** provider and the dataset **WEO**, the command is:
 ```{r, eval = FALSE}
 rdb_series(provider_code = "IMF", dataset_code = "WEO", simplify = TRUE)