Add a comment about false positive

Group points about listing together.

README.md

@@ -116,9 +116,13 @@ Currently we do not use health/ready checks.
 ### Linting
 
 * `go vet`
-* [golangci-lint](https://github.com/golangci/golangci-lint), the settings file is [.golangci.yaml](https://github.com/open-cluster-management/hub-of-hubs-spec-sync/blob/main/.golangci.yaml). ❗Remember to copy this settings file into your repo directory before linting.
+* [golangci-lint](https://github.com/golangci/golangci-lint), the settings file is [.golangci.yaml](https://github.com/open-cluster-management/hub-of-hubs-spec-sync/blob/main/.golangci.yaml). 
 * [golint](https://github.com/golang/lint)
 
+❗Remember to copy [.golangci.yaml](https://github.com/open-cluster-management/hub-of-hubs-spec-sync/blob/main/.golangci.yaml) into your repo directory before linting.
+
+ℹ️ If you want to specify something as false-positive, use the [//nolint](https://golangci-lint.run/usage/false-positives/) comment.
+
 ℹ️ If you see stale errors from [golangci-lint](https://github.com/golangci/golangci-lint), run `golangci-lint cache clean`.
 
 ### Tests