diff --git a/docs/lessons/seismograph/activity.md b/docs/lessons/seismograph/activity.md
index 3d42e287..75769d86 100644
--- a/docs/lessons/seismograph/activity.md
+++ b/docs/lessons/seismograph/activity.md
@@ -71,7 +71,7 @@ basic.forever(() => {
 
 ### ~avatar avatar
 
-We now need to use the micro:bit to chart the strength of the acceleration.
+Science: We now need to use the micro:bit to chart the strength of the acceleration.
 
 ### ~