diff --git a/Trigger-Block-Material-Lists.md b/Trigger-Block-Material-Lists.md
index 863c2f9..c443d15 100644
--- a/Trigger-Block-Material-Lists.md
+++ b/Trigger-Block-Material-Lists.md
@@ -1,3 +1,4 @@
-List of spigot materials (Of course only block materials you can walk into will work)
+List of spigot materials (Of course only block materials you can walk into will work).
+<br>Spigot/Craftbukkit: https://hub.spigotmc.org/javadocs/spigot/org/bukkit/Material.html
 
-Spigot/Craftbukkit: https://hub.spigotmc.org/javadocs/spigot/org/bukkit/Material.html
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+**NOTE:** In order to use the End Portal block, use the ID `ENDER_PORTAL`, not `END_PORTAL`.
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