diff --git a/src/main/java/ch/njol/skript/classes/data/BukkitClasses.java b/src/main/java/ch/njol/skript/classes/data/BukkitClasses.java
index 7ff72f27e69..b48c69149d7 100644
--- a/src/main/java/ch/njol/skript/classes/data/BukkitClasses.java
+++ b/src/main/java/ch/njol/skript/classes/data/BukkitClasses.java
@@ -990,7 +990,8 @@ public String toVariableNameString(final ItemStack i) {
 		Classes.registerClass(biomeClassInfo
 				.user("biomes?")
 				.name("Biome")
-				.description("All possible biomes Minecraft uses to generate a world.")
+				.description("All possible biomes Minecraft uses to generate a world.",
+					"NOTE: Minecraft namespaces are supported, ex: 'minecraft:basalt_deltas'.")
 				.examples("biome at the player is desert")
 				.since("1.4.4")
 				.after("damagecause"));
@@ -1465,7 +1466,8 @@ public String toVariableNameString(FireworkEffect effect) {
 			Classes.registerClass(catTypeClassInfo
 					.user("cat ?(type|race)s?")
 					.name("Cat Type")
-					.description("Represents the race/type of a cat entity.")
+					.description("Represents the race/type of a cat entity.",
+						"NOTE: Minecraft namespaces are supported, ex: 'minecraft:british_shorthair'.")
 					.since("2.4")
 					.requiredPlugins("Minecraft 1.14 or newer")
 					.documentationId("CatType"));
@@ -1533,7 +1535,8 @@ public String toVariableNameString(EnchantmentOffer eo) {
 				.user("attribute ?types?")
 				.name("Attribute Type")
 				.description("Represents the type of an attribute. Note that this type does not contain any numerical values."
-						+ "See <a href='https://minecraft.wiki/w/Attribute#Attributes'>attribute types</a> for more info.")
+						+ "See <a href='https://minecraft.wiki/w/Attribute#Attributes'>attribute types</a> for more info.",
+					"NOTE: Minecraft namespaces are supported, ex: 'minecraft:generic.attack_damage'.")
 				.since("2.5"));
 
 		Classes.registerClass(new EnumClassInfo<>(Environment.class, "environment", "environments")
diff --git a/src/main/java/ch/njol/skript/classes/registry/RegistryParser.java b/src/main/java/ch/njol/skript/classes/registry/RegistryParser.java
index 51cb4637434..dc9bf9f00b7 100644
--- a/src/main/java/ch/njol/skript/classes/registry/RegistryParser.java
+++ b/src/main/java/ch/njol/skript/classes/registry/RegistryParser.java
@@ -30,12 +30,11 @@
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-import java.util.ArrayList;
-import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
+import java.util.stream.Collectors;
 
 /**
  * A parser based on a {@link Registry} used to parse data from a string or turn data into a string.
@@ -147,8 +146,7 @@ private void refresh() {
 	 * Note that some entries may represent the same registry object.
 	 */
 	public String getAllNames() {
-		List<String> strings = new ArrayList<>(parseMap.keySet());
-		Collections.sort(strings);
+		List<String> strings = parseMap.keySet().stream().filter(s -> !s.startsWith("minecraft:")).sorted().collect(Collectors.toList());
 		return StringUtils.join(strings, ", ");
 	}