diff --git a/failure_types_table.asciidoc b/failure_types_table.asciidoc
index e69de29..0b4cd2f 100644
--- a/failure_types_table.asciidoc
+++ b/failure_types_table.asciidoc
@@ -0,0 +1,7 @@
+
+|===
+| type | symbolic name | meaning
+| PERM\|1 | invalid_realm | The `realm` byte was not understood by the processing node.
+| UPDATE\|12 | fee_insufficient | The fee amount was below that required by the channel from the
+processing node.
+|===