diff --git a/300s School/NUCE 2113 - Radiation Detection and Measurement/Laboratory 6.md b/300s School/NUCE 2113 - Radiation Detection and Measurement/Laboratory 6.md
index 86427af2..b17bd345 100644
--- a/300s School/NUCE 2113 - Radiation Detection and Measurement/Laboratory 6.md	
+++ b/300s School/NUCE 2113 - Radiation Detection and Measurement/Laboratory 6.md	
@@ -22,3 +22,4 @@ Now doing 55.64 seconds
 | 4             | 38084         |
 | Background    | 130           |
 # Experiment 6.3
+We do not have a spicy cobalt source, so instead we're jamming them up at 1cm.