diff --git a/R/ggcuminc.R b/R/ggcuminc.R
index ab182f6..ecbaf2d 100644
--- a/R/ggcuminc.R
+++ b/R/ggcuminc.R
@@ -55,6 +55,14 @@ ggcuminc <- function(x, outcome = NULL,
     )
   }
 
+  # Generate an error if the input is a `survfit.coxphms` regression model: ----
+  if (inherits(x, "survfitcoxms")) {
+    cli_abort(
+      "Argument {.arg x} does not support {.cls survfit.coxphms} object.
+  Please fit a multi-state model with another project, such as {.fn coxph}."
+    )
+  }
+
   # prep data to be passed to ggplot() -----------------------------------------
   if (inherits(x, "tidycuminc"))
     df <- tidy_cuminc(x = x)
@@ -69,7 +77,7 @@ ggcuminc <- function(x, outcome = NULL,
     cli_inform("Plotting outcome {.val {outcome}}.")
   }
   if (any(!outcome %in% unique(df$outcome))) {
-    cli_abort("Argument {.code outcome} must be one or more of {.val {unique(df$outcome)}}")
+    cli_abort("Argument {.arg x} does not support {.cls survfit.coxphms} object.")
   }
   df <- dplyr::filter(df, .data$outcome %in% .env$outcome)
 
diff --git a/R/scale_ggsurvfit.R b/R/scale_ggsurvfit.R
index 4947f2f..7acda91 100644
--- a/R/scale_ggsurvfit.R
+++ b/R/scale_ggsurvfit.R
@@ -34,8 +34,23 @@
 #' # specify additional scales
 #' ggsurvfit +
 #'   scale_ggsurvfit(x_scales = list(breaks = seq(0, 8, by = 2)))
+#'
+#' @details
+#' Specical case: in the risk table, large numbers (with more than 4 digits) may not
+#' be shown completely, with some digits truncated outside the plot region.
+#' To remedy this, consider the following example code for a simulated large-size survival dataset:
+#' Here, adjust the expand size in `scale_ggsurvfit(x_scales = list(expand = c(0.05, 0)))` (for example)
+#' can modify the position of numbers in the risk table
+#' and make them all fit in the plot region. The scale of the `expand` argument differs by cases.
+#'
+#' df_colon_large <- df_colon[sample(1:nrow(df_colon), size = 15*nrow(df_colon), replace = TRUE), ]
+#' ggsurvfit <-
+#'   survfit2(Surv(time, status) ~ surg, data = df_colon_large) %>%
+#'   ggsurvfit() + add_risktable() +
+#'   scale_ggsurvfit()
 #' @inherit ggsurvfit seealso
-scale_ggsurvfit <- function(x_scales = list(), y_scales = list()){
+scale_ggsurvfit <-
+  function(x_scales = list(), y_scales = list()){
   scale_ggsurvfit_empty_list <- list()
   structure(scale_ggsurvfit_empty_list, x_scales = x_scales, y_scales = y_scales, class = "scale_ggsurvfit")
 }
diff --git a/R/utils-add_risktable.R b/R/utils-add_risktable.R
index ff07d43..ffd3a28 100644
--- a/R/utils-add_risktable.R
+++ b/R/utils-add_risktable.R
@@ -18,7 +18,7 @@
   }
 
   # get data to place in risktables --------------------------------------------
-  times <- times %||% plot_build$layout$panel_params[[1]]$x.sec$breaks
+  times <- times %||% plot_build$layout$panel_params[[1]]$x$breaks
   df_times <-
     .prepare_data_for_risk_tables(data = x$data, times = times, combine_groups = combine_groups)
 
diff --git a/man/scale_ggsurvfit.Rd b/man/scale_ggsurvfit.Rd
index 72ece39..8c998f5 100644
--- a/man/scale_ggsurvfit.Rd
+++ b/man/scale_ggsurvfit.Rd
@@ -30,6 +30,20 @@ For example, it's common you'll need to specify the x-axis break points.
 To reset any of the above settings to their ggplot2 default, set the value
 to \code{NULL}, e.g. \code{y_scales = list(limits = NULL)}.
 }
+\details{
+Specical case: in the risk table, large numbers (with more than 4 digits) may not
+be shown completely, with some digits truncated outside the plot region.
+To remedy this, consider the following example code for a simulated large-size survival dataset:
+Here, adjust the expand size in \code{scale_ggsurvfit(x_scales = list(expand = c(0.05, 0)))} (for example)
+can modify the position of numbers in the risk table
+and make them all fit in the plot region. The scale of the \code{expand} argument differs by cases.
+
+df_colon_large <- df_colon\link{sample(1:nrow(df_colon), size = 15*nrow(df_colon), replace = TRUE), }
+ggsurvfit <-
+survfit2(Surv(time, status) ~ surg, data = df_colon_large) \%>\%
+ggsurvfit() + add_risktable() +
+scale_ggsurvfit()
+}
 \examples{
 ggsurvfit <-
   survfit2(Surv(time, status) ~ surg, data = df_colon) \%>\%
@@ -42,6 +56,7 @@ ggsurvfit + scale_ggsurvfit()
 # specify additional scales
 ggsurvfit +
   scale_ggsurvfit(x_scales = list(breaks = seq(0, 8, by = 2)))
+
 }
 \seealso{
 Visit the \href{https://www.danieldsjoberg.com/ggsurvfit/articles/gallery.html}{gallery} for examples modifying the default figures
diff --git a/man/stepribbon.Rd b/man/stepribbon.Rd
index 107c8a3..4a0a12e 100644
--- a/man/stepribbon.Rd
+++ b/man/stepribbon.Rd
@@ -47,18 +47,10 @@ from a \code{formula} (e.g. \code{~ head(.x, 10)}).}
 
 \item{geom}{which geom to use; defaults to "\code{ribbon}"}
 
-\item{position}{A position adjustment to use on the data for this layer. This
-can be used in various ways, including to prevent overplotting and
-improving the display. The \code{position} argument accepts the following:
-\itemize{
-\item The result of calling a position function, such as \code{position_jitter()}.
-This method allows for passing extra arguments to the position.
-\item A string naming the position adjustment. To give the position as a
-string, strip the function name of the \code{position_} prefix. For example,
-to use \code{position_jitter()}, give the position as \code{"jitter"}.
-\item For more information and other ways to specify the position, see the
-\link[ggplot2:layer_positions]{layer position} documentation.
-}}
+\item{position}{Position adjustment, either as a string naming the adjustment
+(e.g. \code{"jitter"} to use \code{position_jitter}), or the result of a call to a
+position adjustment function. Use the latter if you need to change the
+settings of the adjustment.}
 
 \item{na.rm}{If \code{FALSE}, the default, missing values are removed with
 a warning. If \code{TRUE}, missing values are silently removed.}
@@ -77,33 +69,10 @@ the default plot specification, e.g. \code{\link[ggplot2:borders]{borders()}}.}
 \item{direction}{\code{hv} for horizontal-vertical steps, \code{vh} for
 vertical-horizontal steps}
 
-\item{...}{Other arguments passed on to \code{\link[ggplot2:layer]{layer()}}'s \code{params} argument. These
-arguments broadly fall into one of 4 categories below. Notably, further
-arguments to the \code{position} argument, or aesthetics that are required
-can \emph{not} be passed through \code{...}. Unknown arguments that are not part
-of the 4 categories below are ignored.
-\itemize{
-\item Static aesthetics that are not mapped to a scale, but are at a fixed
-value and apply to the layer as a whole. For example, \code{colour = "red"}
-or \code{linewidth = 3}. The geom's documentation has an \strong{Aesthetics}
-section that lists the available options. The 'required' aesthetics
-cannot be passed on to the \code{params}. Please note that while passing
-unmapped aesthetics as vectors is technically possible, the order and
-required length is not guaranteed to be parallel to the input data.
-\item When constructing a layer using
-a \verb{stat_*()} function, the \code{...} argument can be used to pass on
-parameters to the \code{geom} part of the layer. An example of this is
-\code{stat_density(geom = "area", outline.type = "both")}. The geom's
-documentation lists which parameters it can accept.
-\item Inversely, when constructing a layer using a
-\verb{geom_*()} function, the \code{...} argument can be used to pass on parameters
-to the \code{stat} part of the layer. An example of this is
-\code{geom_area(stat = "density", adjust = 0.5)}. The stat's documentation
-lists which parameters it can accept.
-\item The \code{key_glyph} argument of \code{\link[ggplot2:layer]{layer()}} may also be passed on through
-\code{...}. This can be one of the functions described as
-\link[ggplot2:draw_key]{key glyphs}, to change the display of the layer in the legend.
-}}
+\item{...}{Other arguments passed on to \code{\link[ggplot2:layer]{layer()}}. These are
+often aesthetics, used to set an aesthetic to a fixed value, like
+\code{colour = "red"} or \code{size = 3}. They may also be parameters
+to the paired geom/stat.}
 }
 \value{
 a ggplot2 figure