diff --git a/R/core_api.R b/R/core_api.R
index 1969b71..0e674b0 100644
--- a/R/core_api.R
+++ b/R/core_api.R
@@ -695,7 +695,7 @@ cell_to_childpos <- function(h3_address = NULL, parent_res = NULL, simple = TRUE
 #' @param simple Logical; whether to return a vector or a data frame containing
 #'   both inputs and outputs.
 #' @return Character, H3 address of child
-#' @note `child_pos` is 0-indexed and capped at the maximum number of hexagons within the parent cell at the supplied resolution. This figure can be determined using cell_to_children_size().
+#' @note `child_pos` is 0-indexed and capped at the maximum number of hexagons within the parent cell at the supplied resolution. This figure can be determined using \code{\link[h3jsr:cell_to_children_size]{cell_to_children_size}}.
 #' @examples
 #' # example address has resolution 7:
 #' childpos_to_cell(0, '872830b82ffffff', 9, simple = FALSE)
diff --git a/man/childpos_to_cell.Rd b/man/childpos_to_cell.Rd
index 30d2fa2..63d5fa2 100644
--- a/man/childpos_to_cell.Rd
+++ b/man/childpos_to_cell.Rd
@@ -28,7 +28,7 @@ Character, H3 address of child
 Get the child cell at a given position within an ordered list of all children at the specified resolution.
 }
 \note{
-`child_pos` is 0-indexed and capped at the maximum number of hexagons within the parent cell at the supplied resolution. This figure can be determined using cell_to_children_size().
+`child_pos` is 0-indexed and capped at the maximum number of hexagons within the parent cell at the supplied resolution. This figure can be determined using \code{\link[h3jsr:cell_to_children_size]{cell_to_children_size}}.
 }
 \examples{
 # example address has resolution 7: