Updated description of the native (citizenfx#654)

* Updated description of the native

Added comment on the return value

* Update DoesRopeBelongToThisScript.md

Co-authored-by: stannum <[email protected]>

Author: pingouinn

PHYSICS/DoesRopeBelongToThisScript.md

@@ -9,6 +9,8 @@ aliases: ["0x271C9D3ACA5D6409"]
 BOOL _DOES_ROPE_BELONG_TO_THIS_SCRIPT(int ropeId);
 ```
 
+Return if the rope was generated or not by the script where the native is called.
+
 
 ## Parameters
 * **ropeId**: