diff --git a/R/add_p.R b/R/add_p.R
index d403f660d..12a11fa05 100644
--- a/R/add_p.R
+++ b/R/add_p.R
@@ -269,7 +269,7 @@ calculate_and_add_test_results <- function(x, include, group = NULL, test.args,
         if (!is.null(lst_captured_results[["result"]])) return(lst_captured_results[["result"]]) # styler: off
         # otherwise, construct a {cards}-like object with error
         dplyr::tibble(
-          group1 = x$inputs$by,
+          group1 = switch(!is_empty(x$inputs$by), x$inputs$by),
           variable = variable,
           stat_name = switch(calling_fun,
                              "add_p" = "p.value",
diff --git a/R/add_p.tbl_continuous.R b/R/add_p.tbl_continuous.R
index f3d2cb765..d7914c95a 100644
--- a/R/add_p.tbl_continuous.R
+++ b/R/add_p.tbl_continuous.R
@@ -11,10 +11,16 @@
 #' @export
 #' @return 'tbl_continuous' object
 #'
-#' @examplesIf gtsummary:::is_pkg_installed("cardx")
+#' @examplesIf (identical(Sys.getenv("NOT_CRAN"), "true") || identical(Sys.getenv("IN_PKGDOWN"), "true")) && gtsummary:::is_pkg_installed("cardx")
+#' # Example 1 ----------------------------------
 #' trial |>
 #'   tbl_continuous(variable = age, by = trt, include = grade) |>
-#'   add_p()
+#'   add_p(pvalue_fun = label_style_pvalue(digits = 2))
+#'
+#' # Example 2 ----------------------------------
+#' trial |>
+#'   tbl_continuous(variable = age, include = grade) |>
+#'   add_p(test = everything() ~ "kruskal.test")
 add_p.tbl_continuous <- function(x,
                                  test = NULL,
                                  pvalue_fun = label_style_pvalue(digits = 1),
diff --git a/R/tbl_ard_summary.R b/R/tbl_ard_summary.R
index 73d54b7be..547018ac0 100644
--- a/R/tbl_ard_summary.R
+++ b/R/tbl_ard_summary.R
@@ -36,6 +36,22 @@
 #'   Default is `FALSE`.
 #' @inheritParams tbl_summary
 #'
+#' @details
+#' There are three types of additional data that can be included in the ARD to
+#' improve the default appearance of the table.
+#'
+#' 1. **Attributes**: When attributes are included, the default labels will be
+#'   the variable labels, when available. Attributes can be included in an ARD
+#'   with `cards::ard_attributes()` or `ard_stack(.attributes = TRUE)`.
+#'
+#' 2. **Missing**: When missing results are included, users can include
+#'   missing counts or rates for variables with `tbl_ard_summary(missing = c("ifany", "always"))`.
+#'   The missing statistics can be included in an ARD with
+#'   `cards::ard_missing()` or `ard_stack(.missing = TRUE)`.
+#'
+#' 3. **Total N**: The total N is saved internally when available, and it can
+#'   be calculated with `cards::ard_total_n()` or `ard_stack(.total_n = TRUE)`.
+#'
 #' @return a gtsummary table of class `"tbl_ard_summary"`
 #' @export
 #'
diff --git a/R/tbl_strata.R b/R/tbl_strata.R
index 83341d23f..ddfe5df06 100644
--- a/R/tbl_strata.R
+++ b/R/tbl_strata.R
@@ -85,8 +85,7 @@
 #'         modify_header(stat_0 = "**Rate (95% CI)**") |>
 #'         modify_footnote(stat_0 = NA),
 #'     .combine_with = "tbl_stack",
-#'     .combine_args = list(group_header = NULL),
-#'     .quiet = TRUE
+#'     .combine_args = list(group_header = NULL)
 #'   ) |>
 #'   modify_caption("**Response Rate by Grade**")
 NULL
diff --git a/man/add_p.tbl_continuous.Rd b/man/add_p.tbl_continuous.Rd
index 13fa7ef2a..33aedecdb 100644
--- a/man/add_p.tbl_continuous.Rd
+++ b/man/add_p.tbl_continuous.Rd
@@ -51,9 +51,15 @@ Default is \code{NULL}. See \link{tests} for methods that utilize the \code{grou
 Add p-values
 }
 \examples{
-\dontshow{if (gtsummary:::is_pkg_installed("cardx")) (if (getRversion() >= "3.4") withAutoprint else force)(\{ # examplesIf}
+\dontshow{if ((identical(Sys.getenv("NOT_CRAN"), "true") || identical(Sys.getenv("IN_PKGDOWN"), "true")) && gtsummary:::is_pkg_installed("cardx")) (if (getRversion() >= "3.4") withAutoprint else force)(\{ # examplesIf}
+# Example 1 ----------------------------------
 trial |>
   tbl_continuous(variable = age, by = trt, include = grade) |>
-  add_p()
+  add_p(pvalue_fun = label_style_pvalue(digits = 2))
+
+# Example 2 ----------------------------------
+trial |>
+  tbl_continuous(variable = age, include = grade) |>
+  add_p(test = everything() ~ "kruskal.test")
 \dontshow{\}) # examplesIf}
 }
diff --git a/man/tbl_ard_summary.Rd b/man/tbl_ard_summary.Rd
index 8edbc1e29..cf6ffa7f8 100644
--- a/man/tbl_ard_summary.Rd
+++ b/man/tbl_ard_summary.Rd
@@ -70,6 +70,21 @@ The \code{tbl_ard_summary()} function tables descriptive statistics for
 continuous, categorical, and dichotomous variables.
 The functions accepts an ARD object.
 }
+\details{
+There are three types of additional data that can be included in the ARD to
+improve the default appearance of the table.
+\enumerate{
+\item \strong{Attributes}: When attributes are included, the default labels will be
+the variable labels, when available. Attributes can be included in an ARD
+with \code{cards::ard_attributes()} or \code{ard_stack(.attributes = TRUE)}.
+\item \strong{Missing}: When missing results are included, users can include
+missing counts or rates for variables with \code{tbl_ard_summary(missing = c("ifany", "always"))}.
+The missing statistics can be included in an ARD with
+\code{cards::ard_missing()} or \code{ard_stack(.missing = TRUE)}.
+\item \strong{Total N}: The total N is saved internally when available, and it can
+be calculated with \code{cards::ard_total_n()} or \code{ard_stack(.total_n = TRUE)}.
+}
+}
 \examples{
 library(cards)
 
diff --git a/man/tbl_strata.Rd b/man/tbl_strata.Rd
index 807b38950..b5df493bf 100644
--- a/man/tbl_strata.Rd
+++ b/man/tbl_strata.Rd
@@ -129,8 +129,7 @@ trial |>
         modify_header(stat_0 = "**Rate (95\% CI)**") |>
         modify_footnote(stat_0 = NA),
     .combine_with = "tbl_stack",
-    .combine_args = list(group_header = NULL),
-    .quiet = TRUE
+    .combine_args = list(group_header = NULL)
   ) |>
   modify_caption("**Response Rate by Grade**")
 }
diff --git a/tests/testthat/test-add_p.tbl_continuous.R b/tests/testthat/test-add_p.tbl_continuous.R
index 0a5376fdf..91154dde3 100644
--- a/tests/testthat/test-add_p.tbl_continuous.R
+++ b/tests/testthat/test-add_p.tbl_continuous.R
@@ -111,3 +111,11 @@ test_that("add_p.tbl_continuous(group) works", {
     unlist(compare)
   )
 })
+
+test_that("add_p.tbl_continuous() messaging", {
+  expect_message(
+    tbl_continuous(trial, variable = age, include = grade) |>
+      add_p(test = ~"lme4"),
+    "*argument cannot be missing*"
+  )
+})