Add known issue.

Writerside/topics/ES-Configuration.md

@@ -16,7 +16,7 @@
 | teleportation.randomtp.cooldown        | The amount of time (in seconds) the player should have to wait for to teleport since they last teleported. To disable this feature set this value to 0.	                                                                                                                          | Integer                                        | 10                 |
 | teleportation.spawn.wait               | The amount of time (in seconds) the player should have to wait for after sending the command before they're teleported. To disable this feature set this value to 0.	                                                                                                             | Integer                                        | 3                  |
 | teleportation.spawn.cooldown           | The amount of time (in seconds) the player should have to wait for to teleport since they last teleported. To disable this feature set this value to 0.	                                                                                                                          | Integer                                        | 10                 |
-| teleportaion.spawn.main-spawn-world    | Sets the world that should be used as the main spawn. Players first joining the server will be placed on this world's spawnpoint.                                                                                                                                                 | Any valid world name.                          | world              |
+| teleportaion.spawn.main-spawn-world    | Sets the world that should be used as the main spawn. Players first joining the server will be placed on this world's spawnpoint. This can cause issues if you're using non-vanilla loaded world - [learn more](ES-Troubleshooting.md).                                           | Any valid world name.                          | world              |
 | teleportation.spawn.always-spawn       | Should players be sent to the main world's spawnpoint every time they join the server?                                                                                                                                                                                            | true or false                                  | false              |
 | teleportation.requests.cooldown        | The amount of time (in seconds) the player should have to wait for to teleport since they last teleported. To disable this feature set this value to 0.	                                                                                                                          | Integer                                        | 10                 |
 | teleportation.requests.default-enabled | Should teleportation requests be enabled by default for all users. This can be changed per-user using /tptoggle (permissions required).	                                                                                                                                          | true or false                                  | true               |