diff --git a/libpov.js b/libpov.js
index b3992eb..7320638 100644
--- a/libpov.js
+++ b/libpov.js
@@ -2376,12 +2376,8 @@ inputExportAmidstForMinetest.onclick = function() {
 		} else {
 			jsonPoint.color = { r: 255, g: 255, b: 255 };
 		}
-		jsonPoint.x_min = biome.min_x;
-		jsonPoint.x_max = biome.max_x;
 		jsonPoint.y_min = biome.min_y;
 		jsonPoint.y_max = biome.max_y;
-		jsonPoint.z_min = biome.min_z;
-		jsonPoint.z_max = biome.max_z;
 		jsonPoint.heat_point = biome.heat;
 		jsonPoint.humidity_point  = biome.humidity;
 		jsonPoints.push(jsonPoint);
diff --git a/manual.html b/manual.html
index 961d166..3804417 100644
--- a/manual.html
+++ b/manual.html
@@ -128,7 +128,7 @@
 
 <p>The <b>JSON</b> export is a text you can use to import the biomes in LiBPoV later. You may want to copy this into a text file.</p>
 
-<p>The <b>Amidst for Minetest</b> export gives you a biome profile you can use for <a href="https://github.com/Treer/Amidst-for-Minetest">Amidst for Minetest</a>.</p>
+<p>The <b>Amidst for Minetest</b> export gives you a biome profile you can use for <a href="https://github.com/Treer/Amidst-for-Minetest">Amidst for Minetest</a>. The export does not include biome coordinate limits on the X and Z axis because those aren’t supported by that software at the time of this writing.</p>
 
 <p>The “<b>Clear</b>” button clears the previous export.</p>