Updated Luckperms expansion wiki

Author: 4drian3d

docs/user-guide/Placeholders.md

@@ -345,19 +345,27 @@ MiniPlaceholders v3 was recently released, and many of the expansions shown here
 
 [Expansion Download](https://github.com/MiniPlaceholders/LuckPerms-Expansion/releases)
 
-[Wiki](https://github.com/MiniPlaceholders/LuckPerms-Expansion)
-
 ```
-<luckperms_check_permission>
-<luckperms_has_permission:permission>
-<luckperms_in_group>
-<luckperms_inherited_groups>
-<luckperms_inherits_group>
-<luckperms_prefix>
-<luckperms_primary_group_name>
-<luckperms_suffix>
+
+`<luckperms_prefix>`*
+
+`<luckperms_suffix>`*
+
+`<luckperms_has_permission:permission>` (true/false)
+
+`<luckperms_check_permission:permission>` (true/false/undefined)
+
+`<luckperms_primary_group_name>`*
+
+`<luckperms_inherits_group:group>` (true/false)
+
+`<luckperms_meta:meta-key>`*
+
 ```
 
+*By default these resolve to an isolated component that doesn't leak its styles to the rest of the string.
+If you want them inserted as strings prior to parsing so they affect the output add the `s` or `string` option to the end. Like this: `<luckperms_prefix:s>`
+
 ## [Maintenance](https://hangar.papermc.io/kennytv/MaintenanceAddon)
 
 ```