Clarify cluster tag requirement (#2527)

adammw · web-flow · commit 7baec176ddba · 2022-03-02T09:23:35.000-08:00
diff --git a/docs/deploy/subnet_discovery.md b/docs/deploy/subnet_discovery.md
@@ -31,4 +31,4 @@ In version v2.1.1 and older, both the public and private subnets must be tagged
 
  `${cluster-name}` is the name of the kubernetes cluster
  
- The cluster tag is not required in v2.1.2 and newer releases. 
+ The cluster tag is not required in v2.1.2 and newer releases, unless a cluster tag for another cluster is present.

Original file line number	Diff line number	Diff line change
`@@ -31,4 +31,4 @@ In version v2.1.1 and older, both the public and private subnets must be tagged`
`31`	`31`
`32`	`32`	`${cluster-name}` is the name of the kubernetes cluster
`33`	`33`
`34`		`- The cluster tag is not required in v2.1.2 and newer releases.`
	`34`	`+ The cluster tag is not required in v2.1.2 and newer releases, unless a cluster tag for another cluster is present.`