Update agent/connect/ca/provider_vault_auth_k8s.go

PR feedback, comment tweak

Co-authored-by: skpratt <sarah.pratt@hashicorp.com>

agent/connect/ca/provider_vault_auth_k8s.go

@@ -17,7 +17,7 @@ func NewK8sAuthClient(authMethod *structs.VaultAuthMethod) (*VaultAuthClient, er
 	// don't check for `token_path` as it is optional
 
 	authClient := NewVaultAPIAuthClient(authMethod, "")
-	// Note the `jwt` can be passed directly in the authMethod as the it's Params
+	// Note the `jwt` can be passed directly in the authMethod as a Param value
 	// is a freeform map in the config where they could hardcode it.
 	if legacyCheck(params, "jwt") {
 		return authClient, nil