Clarify the use of groupcache.NewHTTPPoolOpts() in the documentation

Fixes #20
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Derrick J. Wippler 2020-11-19 20:12:15 -06:00 committed by GitHub
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@ -149,4 +149,5 @@ func ExampleUsage() {
}
```
### Note
The call to `groupcache.NewHTTPPoolOpts()` is a bit misleading. `NewHTTPPoolOpts()` creates a new pool internally within the `groupcache` package where it is uitilized by any groups created. The `pool` returned is only a pointer to the internallly registered pool so the caller can update the peers in the pool as needed.