diff --git a/.github/workflows/render-rmarkdown.yaml b/.github/workflows/render-rmarkdown.yaml
index a4c2021..e64d1cd 100644
--- a/.github/workflows/render-rmarkdown.yaml
+++ b/.github/workflows/render-rmarkdown.yaml
@@ -8,15 +8,15 @@ name: Render Rmarkdown files
 jobs:
   render:
     name: Render Rmarkdown files
-    runs-on: macOS-latest
+    runs-on: ubuntu-latest
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - uses: actions/checkout@v2
         with:
           fetch-depth: 0
-      - uses: r-lib/actions/setup-r@v1
-      - uses: r-lib/actions/setup-pandoc@v1
+      - uses: r-lib/actions/setup-r@v2
+      - uses: r-lib/actions/setup-pandoc@v2
       - name: Install needed packages
         run: |
           install.packages(c("remotes", "readr", "lubridate", "dplyr", "readr", "tidyr", "ggplot2", "plotly", "kableExtra", "skimr", "Kendall", "DT"))
diff --git a/R_scripts/inventory.Rmd b/R_scripts/inventory.Rmd
index cd984d5..ce6f13f 100644
--- a/R_scripts/inventory.Rmd
+++ b/R_scripts/inventory.Rmd
@@ -207,13 +207,14 @@ inv_long %>%
               .groups = "drop") ->
     species_mix
 
+# Make a table of fractional BA
 species_mix %>% 
     filter(Year == max(Year)) %>% 
     group_by(Plot) %>% 
     mutate(BA_frac = BA / sum(BA)) %>% 
     knitr::kable(caption = "Basal area by plot and species")
 
-# Live trees DBH
+# Live trees BA
 ggplot(species_mix, aes(Year, BA, fill = Genus)) +
     geom_area(position="stack") +
     facet_grid(Plot~.)