docs: Update object-behaviour-relation.md (#361)

Update object-behaviour-relation.md

Author: TwoTenPvP

docs/_docs/the-basics/object-behaviour-relation.md

@@ -29,5 +29,5 @@ Receive:
     - Finds The Behaviour At Index Provided On Object
     - Reads RPC Method Name Hash
     - Finds The Method With The Hash Provided
-    - Invokes It's Delegate With Parameters Or Body
+    - Invokes Its Delegate With Parameters Or Body
 ```