diff --git a/etc/resolv.conf b/etc/resolv.conf
index e7308ecd..f1dd0a8f 100644
--- a/etc/resolv.conf
+++ b/etc/resolv.conf
@@ -46,3 +46,9 @@ options edns0 single-request-reopen #trust-ad
 
 # See also:
 # /run/systemd/resolve/stub-resolv.conf /usr/lib/systemd/resolv.conf /run/systemd/resolve/resolv.conf
+# /run/systemd/resolve/stub-resolv.conf contains search domains and doesn't seem to be
+#                                       overwritable and somehow works with Mullvad
+# /usr/lib/resolv.conf                  doesn't contain search domains, can
+#                                       get overwritten and "broken"
+# /run/systemd/resolve/resolv.conf      contains uplink resolvers and domains
+#                                       SHOULDN'T BE USED!