diff --git a/Operating-Procedure.md b/Operating-Procedure.md
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--- a/Operating-Procedure.md
+++ b/Operating-Procedure.md
@@ -25,10 +25,10 @@ Much of the operation is intended to be straight-forward, but this is where you
## Mode Selection
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The auto mode selection defines how you will use the system. "Manual" mode puts the reactor into independent, manual operation. This allows use of the START button and allows manual control of the burn rate.
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Any mode besides "Manual" locks out use of the START button and burn rate control.
### Automatic Mode Control