diff --git a/R/prep_fiji_coords.R b/R/prep_fiji_coords.R
index 03c9940..8d3d0e8 100644
--- a/R/prep_fiji_coords.R
+++ b/R/prep_fiji_coords.R
@@ -7,12 +7,10 @@
 #' file from Spaceranger, and transform using the rotation matrix specified
 #' by Fiji. Write one new \code{tissue_positions.csv} file per group.
 #'
-#' @param sample_info A \code{tibble} with columns \code{capture_area},
-#' \code{group}, \code{fiji_xml_path}, \code{intra_group_scalar}, and
-#' \code{group_hires_scalef}
 #' @param out_dir A character(1) vector giving a path to a directory to place
 #' the output pixel coordinates CSVs. Provided the parent exists, \code{out_dir}
 #' will be created if necessary.
+#' @inheritParams add_array_coords
 #'
 #' @return This function returns `character()` with the file paths to the
 #' `tissue_positions.csv` files it created.
diff --git a/R/prep_fiji_image.R b/R/prep_fiji_image.R
index 1a6d2ef..7e5a507 100644
--- a/R/prep_fiji_image.R
+++ b/R/prep_fiji_image.R
@@ -7,15 +7,13 @@
 #' Spaceranger's. In conjunction with \code{prep_fiji_image()}, this function
 #' prepares for building the \code{SpatialExperiment} with \code{build_spe()}.
 #'
-#' @param sample_info A \code{tibble} with columns \code{capture_area},
-#' \code{group}, \code{fiji_image_path}, \code{spaceranger_dir},
-#' \code{intra_group_scalar}, and \code{group_hires_scalef}
 #' @param out_dir A character(1) vector giving a path to a directory to place
 #' the output image(s) and scale factors. Provided the parent exists, \code{out_dir}
 #' will be created if necessary.
 #' @param lowres_max_size An integer(1) vector: the resolution (number of
 #' pixels) of the larger dimension of the output image(s), considered to be "low
 #' resolution".
+#' @inheritParams add_array_coords
 #'
 #' @return This function returns `character()` with the file paths to the
 #' `tissue_lowres_image.png` and `scalefactors_json.json` files it created.
diff --git a/R/rescale_fiji_inputs.R b/R/rescale_fiji_inputs.R
index 6028b06..6d19a6e 100644
--- a/R/rescale_fiji_inputs.R
+++ b/R/rescale_fiji_inputs.R
@@ -17,11 +17,10 @@
 #' (as from Spaceranger's \code{scalefactors_json.json} file) appropriate for
 #' every capture area from the group.
 #'
-#' @param sample_info A \code{tibble} with columns \code{capture_area},
-#' \code{group}, and \code{spaceranger_dir}
 #' @param out_dir A character(1) vector giving a path to a directory to place
 #' the output images. Provided the parent exists, \code{out_dir}
 #' will be created if necessary.
+#' @inheritParams add_array_coords
 #'
 #' @return A \code{tibble}: a copy of \code{sample_info} with additional columns
 #' \code{intra_group_scalar} and \code{group_hires_scalef}
diff --git a/man/prep_fiji_coords.Rd b/man/prep_fiji_coords.Rd
index ec482d9..e559e5e 100644
--- a/man/prep_fiji_coords.Rd
+++ b/man/prep_fiji_coords.Rd
@@ -7,9 +7,8 @@
 prep_fiji_coords(sample_info, out_dir)
 }
 \arguments{
-\item{sample_info}{A \code{tibble} with columns \code{capture_area},
-\code{group}, \code{fiji_xml_path}, \code{intra_group_scalar}, and
-\code{group_hires_scalef}}
+\item{sample_info}{A \code{tibble} with columns \code{capture_area} and
+\code{group}}
 
 \item{out_dir}{A character(1) vector giving a path to a directory to place
 the output pixel coordinates CSVs. Provided the parent exists, \code{out_dir}
@@ -55,7 +54,7 @@ sample_info$fiji_image_path <- temp[grep("png$", temp)]
 sample_info <- rescale_fiji_inputs(sample_info, out_dir = tempdir())
 
 spe_input_dir <- tempdir()
-out_file = prep_fiji_coords(sample_info, out_dir = spe_input_dir)
+out_file <- prep_fiji_coords(sample_info, out_dir = spe_input_dir)
 
 #    A file of spatial coordinates for the stitched Br2719 was produced
 print(readr::read_csv(out_file))
diff --git a/man/prep_fiji_image.Rd b/man/prep_fiji_image.Rd
index 6a45337..c51b3de 100644
--- a/man/prep_fiji_image.Rd
+++ b/man/prep_fiji_image.Rd
@@ -7,9 +7,8 @@
 prep_fiji_image(sample_info, out_dir, lowres_max_size = 1200)
 }
 \arguments{
-\item{sample_info}{A \code{tibble} with columns \code{capture_area},
-\code{group}, \code{fiji_image_path}, \code{spaceranger_dir},
-\code{intra_group_scalar}, and \code{group_hires_scalef}}
+\item{sample_info}{A \code{tibble} with columns \code{capture_area} and
+\code{group}}
 
 \item{out_dir}{A character(1) vector giving a path to a directory to place
 the output image(s) and scale factors. Provided the parent exists, \code{out_dir}
@@ -59,7 +58,7 @@ sample_info$fiji_image_path <- temp[grep("png$", temp)]
 sample_info <- rescale_fiji_inputs(sample_info, out_dir = tempdir())
 
 spe_input_dir <- tempdir()
-out_paths = prep_fiji_image(
+out_paths <- prep_fiji_image(
     sample_info,
     out_dir = spe_input_dir, lowres_max_size = 1000
 )
diff --git a/man/rescale_fiji_inputs.Rd b/man/rescale_fiji_inputs.Rd
index 305c071..c90b94d 100644
--- a/man/rescale_fiji_inputs.Rd
+++ b/man/rescale_fiji_inputs.Rd
@@ -7,8 +7,8 @@
 rescale_fiji_inputs(sample_info, out_dir)
 }
 \arguments{
-\item{sample_info}{A \code{tibble} with columns \code{capture_area},
-\code{group}, and \code{spaceranger_dir}}
+\item{sample_info}{A \code{tibble} with columns \code{capture_area} and
+\code{group}}
 
 \item{out_dir}{A character(1) vector giving a path to a directory to place
 the output images. Provided the parent exists, \code{out_dir}
diff --git a/tests/testthat/test-prep_fiji_coords.R b/tests/testthat/test-prep_fiji_coords.R
index 3948b4b..7b4f2eb 100644
--- a/tests/testthat/test-prep_fiji_coords.R
+++ b/tests/testthat/test-prep_fiji_coords.R
@@ -39,7 +39,7 @@ test_that(
         expect_equal(file.exists(out_file_actual), TRUE)
 
         #   The tissue positions should have the expected columns
-        coords <- readr::read_csv(out_file, show_col_types = FALSE)
+        coords <- readr::read_csv(out_file_expected, show_col_types = FALSE)
         expect_equal(
             colnames(coords),
             c(
diff --git a/tests/testthat/test-prep_fiji_image.R b/tests/testthat/test-prep_fiji_image.R
index 4376142..417c489 100644
--- a/tests/testthat/test-prep_fiji_image.R
+++ b/tests/testthat/test-prep_fiji_image.R
@@ -40,7 +40,7 @@ test_that(
             file.path(spe_input_dir, "Br2719", "scalefactors_json.json")
         )
         expect_equal(all(file.exists(out_paths_expected)), TRUE)
-        expect_equal(setequal(out_paths_actual, out_paths_expected))
+        expect_equal(setequal(out_paths_actual, out_paths_expected), TRUE)
 
         #   The image should have the correct maximal dimension size
         this_image <- imager::load.image(out_paths_expected[1])