Update assets/src/hooks/useDetour.ts

Co-authored-by: Josh Larson <jlarson@mbta.com>

assets/src/hooks/useDetour.ts

@@ -33,7 +33,7 @@ const selectFinishedState = (
 ) =>
   /*
    * There's probably a better way to do this? maybe context or sub-machines?
-   * It seems okay to manage this state via tags if we can keep things document,
+   * It seems okay to manage this state via tags if we can keep things documented,
    * but it feels slightly leaky to have the concern for this API call to be
    * distinguished as a tag within the machine, I think it works temporarily
    * and while the machine is small though