diff --git a/R/helpers.R b/R/helpers.R
index 1caf990..a38cd77 100644
--- a/R/helpers.R
+++ b/R/helpers.R
@@ -137,9 +137,9 @@ max_vlen <- \(x) collapse::fmax(vlen(x))
 #'
 #' empty(list())
 #'
-#' empty(list(character(0))
+#' empty(list(character(0)))
 #'
-#' empty(list(x = character(0))
+#' empty(list(x = character(0)))
 #'
 #' @autoglobal
 #'
diff --git a/R/redundant.R b/R/redundant.R
index f9fa597..f0d93ab 100644
--- a/R/redundant.R
+++ b/R/redundant.R
@@ -53,7 +53,7 @@ rr <- \(...) contrast(...)
 #'    split_lengths() |>
 #'    remove_redundant()
 #'
-#' @importFrom collapse %=% .c
+#' @importFrom collapse .c %=%
 #'
 #' @export
 #'
diff --git a/man/empty.Rd b/man/empty.Rd
index 31eb07e..f057819 100644
--- a/man/empty.Rd
+++ b/man/empty.Rd
@@ -26,8 +26,8 @@ empty(NA)
 
 empty(list())
 
-empty(list(character(0))
+empty(list(character(0)))
 
-empty(list(x = character(0))
+empty(list(x = character(0)))
 
 }