diff --git a/300s School/NUCE 2113 - Radiation Detection and Measurement/Laboratory 4.md b/300s School/NUCE 2113 - Radiation Detection and Measurement/Laboratory 4.md
index 9ea16afd..bb4cbb96 100644
--- a/300s School/NUCE 2113 - Radiation Detection and Measurement/Laboratory 4.md	
+++ b/300s School/NUCE 2113 - Radiation Detection and Measurement/Laboratory 4.md	
@@ -29,7 +29,7 @@ Background count 56 2 minutes - 0.48
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-| 7367                |                |
+| 7367                | 395            |
 | 1k + 3k             | 431            |
 | 2000+3000           | 406            |
 | 3000+7000           | 323            |