1 files changed, 7 insertions, 0 deletions
diff --git a/README b/README
index ed4f3ed..da07d7a 100644
--- a/README
+++ b/README
@@ -413,6 +413,13 @@ Reference Configuration
 -----------------------
 include::zaptel.conf.asciidoc[]
 
+Tonezones
+~~~~~~~~~
+The file zonedata.c contains the information about the tone zones used
+in libtonezone (and hence also in ztcfg). Here is a list of those zones:
+
+include::tonezones.txt[]
+
 
 Zaptel PERL modules
 -------------------