diff --git a/spec/core.md b/spec/core.md
index 20dc206..e236fca 100644
--- a/spec/core.md
+++ b/spec/core.md
@@ -28,11 +28,6 @@ webs-did = "did:webs:" domain-name ":" aid
 webs-did = "did:webs:" domain-name * (":" path) ":" aid
 ```
 
-::: todo
-> TODO: what about intl chars? Does DID spec allow them like URL spec does? What
-about localhost vs. 127.0.0.1 vs. ::1?
-:::
-
 The formal rules describing valid domain name syntax are described in
 [RFC1035], [RFC1123], and [RFC2181]. The fully qualified domain MUST NOT
 include IP addresses. A port MAY be included and the colon MUST be percent