diff --git a/Intel-Systems/scelbi/scelbi.txt b/Intel-Systems/scelbi/scelbi.txt
index 227fefbe..65eae088 100644
--- a/Intel-Systems/scelbi/scelbi.txt
+++ b/Intel-Systems/scelbi/scelbi.txt
@@ -1,4 +1,4 @@
-SCELBI Sumulator with Intel 8008 CPU
+SCELBI Simulator with Intel 8008 CPU
 ====================================
 
 1. Background.
@@ -125,7 +125,7 @@ A + B = 8.0
 
 READY
 
-
+<exit simulation by pressing Ctrl-E>
 Simulation stopped, PC: 000103 (INP 5)
 sim> exit