diff --git a/docs/manual_tests.md b/docs/manual_tests.md
index 27e9b11..a86ec94 100644
--- a/docs/manual_tests.md
+++ b/docs/manual_tests.md
@@ -96,8 +96,9 @@
 
 * Create a debrief for a training and fill in "Number of participants".
 * The number should appear on the training when you view it.
-* Edit the debreief - it should change the training too
-* Create another - so should that
+* Edit the debrief to set a different number - it should overwrite the number on the training
+* Create another debrief - should also overwrite
+* Delete a debrief - number on training should not change
 
 # Total fees on a project
 * Create a project and add some fees