diff --git a/stpa handbook.md b/stpa handbook.md
index b3616db22..fa0a03b7d 100644
--- a/stpa handbook.md	
+++ b/stpa handbook.md	
@@ -28,6 +28,8 @@ First step: defining the purpose of the analysis.
 
 ![[Pasted image 20210718151545.png]]
 
-[[system]]:
+Definition of [[system]]:
 
-![[Pasted image 20210718162616.png]]
\ No newline at end of file
+![[Pasted image 20210718162616.png]]
+
+[[hazards]] + [[environmental conditions]] = [[losses]]