replace outdated reference to ecs_entity with ecs_id in manual
@@ -355,7 +355,7 @@ ecs_entity_t ecs_id(Position) = ecs_component_init(world, &(ecs_component_desc_t
});
```
-The first line actually registers the component with Flecs, and captures its name and size. The result is stored in a variable with name `ecs_id(Position)`. Here, `ecs_entity` is a macro that translates the typename of the component to a variable name. The actual name of the variable is:
+The first line actually registers the component with Flecs, and captures its name and size. The result is stored in a variable with name `ecs_id(Position)`. Here, `ecs_id` is a macro that translates the typename of the component to a variable name. The actual name of the variable is:
```c
FLECS__EPosition
