diff --git a/Custom-I-O-devices.md b/Custom-IO-devices.md
similarity index 97%
rename from Custom-I-O-devices.md
rename to Custom-IO-devices.md
index 9450077..cb19127 100644
--- a/Custom-I-O-devices.md
+++ b/Custom-IO-devices.md
@@ -50,3 +50,5 @@ Custom I/O devices used with ITS.
 | 754 | |  Old Vidissector
 | 760 | | PDP-6 Temporary Direct Sense Hookups | ROUT, 340TIT, MLIFE, LD10, ITS, TECO, PORNIS
 | 764 | | Input Mux | DS SLAVE, FLIGHT
+
+Info from https://github.com/PDP-10/its/issues/1014.
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