diff --git a/README.Rmd b/README.Rmd
index 5c49c4f..1770d9b 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -142,7 +142,7 @@ dataset2$data |>
   ggstackplot(
     x = c(
       "δ13C carb [‰ PDB]",
-      "n-C19 δ13C_org [‰]" = "δ13C [‰ PDB] (mean, vs. VPDB)"
+      "δ13C n-C19 [‰]" = "δ13C [‰ PDB] (mean, vs. VPDB)"
     ),
     y = "Depth sed [m]",
     palette = "Dark2",
@@ -160,7 +160,7 @@ dataset2$data |>
   ggstackplot(
     x = c(
       "δ13C carb [‰ PDB]",
-      "n-C19 δ13C_org [‰]" = "δ13C [‰ PDB] (mean, vs. VPDB)"
+      "δ13C n-C19 [‰]" = "δ13C [‰ PDB] (mean, vs. VPDB)"
     ),
     y = "Depth sed [m]",
     palette = "Dark2",
diff --git a/README.md b/README.md
index 099bb37..a204837 100644
--- a/README.md
+++ b/README.md
@@ -165,7 +165,7 @@ dataset2$data |>
   ggstackplot(
     x = c(
       "δ13C carb [‰ PDB]",
-      "n-C19 δ13C_org [‰]" = "δ13C [‰ PDB] (mean, vs. VPDB)"
+      "δ13C n-C19 [‰]" = "δ13C [‰ PDB] (mean, vs. VPDB)"
     ),
     y = "Depth sed [m]",
     palette = "Dark2",
@@ -185,7 +185,7 @@ dataset2$data |>
   ggstackplot(
     x = c(
       "δ13C carb [‰ PDB]",
-      "n-C19 δ13C_org [‰]" = "δ13C [‰ PDB] (mean, vs. VPDB)"
+      "δ13C n-C19 [‰]" = "δ13C [‰ PDB] (mean, vs. VPDB)"
     ),
     y = "Depth sed [m]",
     palette = "Dark2",
diff --git a/man/figures/README-geodata-horizontal-1.png b/man/figures/README-geodata-horizontal-1.png
index 9dc84db..39641d7 100644
Binary files a/man/figures/README-geodata-horizontal-1.png and b/man/figures/README-geodata-horizontal-1.png differ
diff --git a/man/figures/README-geodata-horizontal-2-1.png b/man/figures/README-geodata-horizontal-2-1.png
index 965ce03..76d0e8f 100644
Binary files a/man/figures/README-geodata-horizontal-2-1.png and b/man/figures/README-geodata-horizontal-2-1.png differ