diff --git a/R/helpers.R b/R/helpers.R
index 02b986ba..e9724b81 100644
--- a/R/helpers.R
+++ b/R/helpers.R
@@ -211,6 +211,8 @@ dilution_to_rau <- function(predicted_dilution) {
 #'
 #' @return (`logical(1)`) `TRUE` if the vector is monotonically decreasing, `FALSE` otherwise
 #'
+#' @keywords internal
+#'
 is.decreasing <- function(x) {
   stopifnot(is.numeric(x) || is.null(x))
   if (any(is.na(x))) {
diff --git a/man/is.decreasing.Rd b/man/is.decreasing.Rd
index 0f9ef90c..ac99c650 100644
--- a/man/is.decreasing.Rd
+++ b/man/is.decreasing.Rd
@@ -15,3 +15,4 @@ is.decreasing(x)
 \description{
 Check if the vector is monotically decreasing
 }
+\keyword{internal}
diff --git a/pkgdown/_pkgdown.yml b/pkgdown/_pkgdown.yml
index 13e0a777..c03c5ae8 100644
--- a/pkgdown/_pkgdown.yml
+++ b/pkgdown/_pkgdown.yml
@@ -36,3 +36,4 @@ reference:
     - is_valid_data_type
     - is_valid_sample_type
     - translate_sample_names_to_sample_types
+    - handle_high_dose_hook