Update creative-categories.md

Added a tip about a small bit of undocumented information about the fact that you can't currently hide items in creative, it's not supported. This is so this page can be linked in the FAQ bot that Smokey has made for the Minecraft Bedrock Addons discord server.

docs/documentation/creative-categories.md

@@ -22,7 +22,7 @@ Creative categories are the categories that determine where an item or block wil
 As of 1.17.30 this feature is currently experimental and is currently available for both custom items & blocks. Make sure to use the [1.16.100+ format version!](/items/items-16)
 :::
 
-Item categories applied with the item description direct it to a more broad field in the creative category, individual tabs. They need to be the same tab as the component `creative_category`. Such would be applied like the following example:
+Item categories applied with the item description direct it to a more broad field in the creative category, individual tabs. They need to be the same tab as the component `creative_category`. Such would be applied in the following example:
 
 <CodeHeader></CodeHeader>
 
@@ -42,6 +42,10 @@ Item categories applied with the item component `creative_category` direct it ex
 
 <CodeHeader></CodeHeader>
 
+::: tip
+In Minecraft 1.20.0 and newer, hiding items in the creative menu isn't possible. Items must be categorized as 'Items', 'Equipment', 'Construction', or 'Nature' in the 'description' section, using 'category': '<type>'.
+:::
+
 ```json
 {
 	"minecraft:creative_category": {