diff --git a/checker/collect.go b/checker/collect.go
index 2bf9d9c..f4fda00 100644
--- a/checker/collect.go
+++ b/checker/collect.go
@@ -13,7 +13,7 @@ import (
 
 // Collect probes the delegation and records raw facts only; judgment lives
 // in rule.go. Phase B queries delegated servers using only the NS names and
-// glue learned from the parent — the child zone is never trusted as a
+// glue learned from the parent: the child zone is never trusted as a
 // source of truth.
 func (p *delegationProvider) Collect(ctx context.Context, opts sdk.CheckerOptions) (any, error) {
 	svc, err := loadService(opts)
diff --git a/checker/dns.go b/checker/dns.go
index 07f1325..a5a45a3 100644
--- a/checker/dns.go
+++ b/checker/dns.go
@@ -64,7 +64,7 @@ func resolveHost(ctx context.Context, host string) ([]string, error) {
 }
 
 // findParentZone returns the parent zone and its authoritative servers.
-// hintParent skips the label walk — happyDomain already knows the parent.
+// hintParent skips the label walk: happyDomain already knows the parent.
 func findParentZone(ctx context.Context, fqdn, hintParent string) (zone string, servers []string, err error) {
 	zone = dns.Fqdn(hintParent)
 	if zone == "" || zone == "." {