diff --git a/CI9-PROBE.txt b/CI9-PROBE.txt
index 1d28497..e2b70ae 100644
--- a/CI9-PROBE.txt
+++ b/CI9-PROBE.txt
@@ -1,2 +1,3 @@
 CI-9 throwaway probe base. Delete me.
 head change
+residual-hole probe