diff --git a/R/expr__expr.R b/R/expr__expr.R
index e0060c21b..23ad981ed 100644
--- a/R/expr__expr.R
+++ b/R/expr__expr.R
@@ -3042,10 +3042,10 @@ Expr_rolling_sum = function(
 #' @param center
 #' Set the labels at the center of the window
 #' @param by
-#' If the `window_size` is temporal for instance `"5h"` or `"3s`, you must
+#' If the `window_size` is temporal for instance `"5h"` or `"3s"`, you must
 #' set the column that will be used to determine the windows. This column must
-#' be of dtype `{Date, Datetime}`
-#' @param closed : `{'left', 'right', 'both', 'none'}`
+#' be of DataType: Date or DateTime.
+#' @param closed string option `c("left", "right", "both", "none")`.
 #' Define whether the temporal window interval is closed or not.
 #'
 #'
@@ -3066,13 +3066,14 @@ Expr_rolling_std = function(
     min_periods = NULL,
     center = FALSE, # :bool,
     by = NULL, # : Nullable<String>,
-    closed = "left" # ;: Nullable<String>,
+    closed = c("left", "right", "both", "none")
     ) {
   wargs = prepare_rolling_window_args(window_size, min_periods)
-  unwrap(.pr$Expr$rolling_std(
+  .pr$Expr$rolling_std(
     self, wargs$window_size, weights,
-    wargs$min_periods, center, by, closed
-  ))
+    wargs$min_periods, center, by, closed[1L]
+  ) |>
+    unwrap("in $rolling_std(): ")
 }
 
 #' Rolling var
diff --git a/man/Expr_rolling_std.Rd b/man/Expr_rolling_std.Rd
index bad50284a..b42617e09 100644
--- a/man/Expr_rolling_std.Rd
+++ b/man/Expr_rolling_std.Rd
@@ -10,7 +10,7 @@ Expr_rolling_std(
   min_periods = NULL,
   center = FALSE,
   by = NULL,
-  closed = "left"
+  closed = c("left", "right", "both", "none")
 )
 }
 \arguments{
@@ -40,11 +40,11 @@ a result. If None, it will be set equal to window size.}
 
 \item{center}{Set the labels at the center of the window}
 
-\item{by}{If the \code{window_size} is temporal for instance \code{"5h"} or \verb{"3s}, you must
+\item{by}{If the \code{window_size} is temporal for instance \code{"5h"} or \code{"3s"}, you must
 set the column that will be used to determine the windows. This column must
-be of dtype \verb{\{Date, Datetime\}}}
+be of DataType: Date or DateTime.}
 
-\item{closed}{: \verb{\{'left', 'right', 'both', 'none'\}}
+\item{closed}{string option \code{c("left", "right", "both", "none")}.
 Define whether the temporal window interval is closed or not.}
 }
 \value{