1 files changed, 1 insertions, 0 deletions
diff --git a/whois.conf b/whois.conf
index 8eada18..31b09b0 100644
--- a/whois.conf
+++ b/whois.conf
@@ -4,6 +4,7 @@
 # the compiled in servers are not suitable.  Each entry is a single
 # text line and consists of a regular expression pattern to match and
 # the whois server to be used for it, separated by blank space. 
+# IDN domains must use the ACE format.
 #
 # Eg: 
 # \.nz$ nz.whois-servers.net