diff --git a/failure_types_table.asciidoc b/failure_types_table.asciidoc
index af7e117..ab6b697 100644
--- a/failure_types_table.asciidoc
+++ b/failure_types_table.asciidoc
@@ -1,5 +1,5 @@
 [[failure_types_table]]
-.Failure types
+.Onion error failure types
 [options="header"]
 |===
 | Type | Symbolic name | Meaning