diff --git a/850816/READ.ME b/850816/READ.ME
index 85273a1..3449a95 100644
--- a/850816/READ.ME
+++ b/850816/READ.ME
@@ -7,4 +7,7 @@ SOURCE LANGUAGE: META-SYMBOL. CONFIGURATION: 910/925 COMPUTER WITH AT LEAST 4K M
 TYPEWRITER AND PAPER TAPE I/0. SEE MANUAL NO. 900699.
 
 
-This file 850816-44 has 4 ^ type control cards preceeding the encoded deck.
\ No newline at end of file
+This file 850816-44 has 4 ^ type control cards preceeding the encoded deck.
+
+850690-34  line printer library routine, source cards
+850690-24  line printer library routine, binary