Add clarification on RxSwift.Single vs. Combine.Future

Author: freak4pc

Data/core_components.csv

@@ -18,6 +18,6 @@ ScheduledDisposable,❌,
 SchedulerType,Scheduler,
 SerialDisposable,❌,
 Signal,❌,
-Single,Future,Single behaves differently than Future. Seems the latter has no auto-disposal when finished
+Single,Future,"They're only similar in the sense of single emission, but Future shares resources and executes immediately (very strange behavior)"
 SubjectType,Subject,
 TestScheduler,❌,There doesn't seem to be an existing testing scheduler for Combine code

README.md

@@ -38,7 +38,7 @@ It's based on the following blog post: [https://medium.com/gett-engineering/rxsw
 | SchedulerType             | Scheduler                |                                                                                                                                                                 |
 | SerialDisposable          | ❌                        |                                                                                                                                                                 |
 | Signal                    | ❌                        |                                                                                                                                                                 |
-| Single                    | Future                   | Single behaves differently than Future. Seems the latter has no auto-disposal when finished                                                                     |
+| Single                    | Future                   | They're only similar in the sense of single emission, but Future shares resources and executes immediately (very strange behavior)                              |
 | SubjectType               | Subject                  |                                                                                                                                                                 |
 | TestScheduler             | ❌                        | There doesn't seem to be an existing testing scheduler for Combine code                                                                                         |