diff --git a/issues/fedcm-1-urltype.md b/issues/fedcm-1-urltype.md
new file mode 100644
index 0000000..d3f5265
--- /dev/null
+++ b/issues/fedcm-1-urltype.md
@@ -0,0 +1,12 @@
+---
+Title: Wrong Web IDL type for URLs in Federated Credential Management API
+Tracked: N/A
+Repo: 'https://github.com/w3c-fedid/FedCM'
+---
+
+While crawling [Federated Credential Management API](https://w3c-fedid.github.io/FedCM/), wrong Web IDL type for URLs:
+* [ ] `field provider_urls` in dictionary `IdentityProviderWellKnown` uses `DOMString` instead of recommended `USVString` for URLs
+
+Cc @dontcallmedom @tidoust
+
+This issue was detected and reported semi-automatically by [Strudy](https://github.com/w3c/strudy/) based on data collected in [webref](https://github.com/w3c/webref/).