imagine computers being useful

examples/README.md

@@ -163,7 +163,7 @@ Example | File | Description
 `iter_combinations` | [`ecs/iter_combinations.rs`](./ecs/iter_combinations.rs) | Shows how to iterate over combinations of query results.
 `parallel_query` | [`ecs/parallel_query.rs`](./ecs/parallel_query.rs) | Illustrates parallel queries with `ParallelIterator`
 `query_bundle` | [`ecs/query_bundle.rs`](./ecs/query_bundle.rs) | Shows how to query entities that contain components in a `Bundle`
-`relations_grouping` | [`ecs/relations_grouping.rs`])(./ecs/relations_grouping.rs) | Group entities using `Relations` and then query for entities in those groups
+`relations_grouping` | [`ecs/relations_grouping.rs`](./ecs/relations_grouping.rs) | Group entities using `Relations` and then query for entities in those groups
 `removal_detection` | [`ecs/removal_detection.rs`](./ecs/removal_detection.rs) | Query for entities that had a specific component removed in a previous stage during the current frame.
 `startup_system` | [`ecs/startup_system.rs`](./ecs/startup_system.rs) | Demonstrates a startup system (one that runs once when the app starts up)
 `state` | [`ecs/state.rs`](./ecs/state.rs) | Illustrates how to use States to control transitioning from a Menu state to an InGame state