diff --git a/docs/developing.md b/docs/developing.md
index 6dd893eeb9..c38caf56c3 100644
--- a/docs/developing.md
+++ b/docs/developing.md
@@ -176,7 +176,7 @@ Other features are tested via `SmokeTests` class or have its own test class
 if a dedicated test application is needed.
 
 Currently, the strategy is to test the library instrumentations
-against its lowest supported version.
+against its lowest supported, but not vulnerable, version.
 The pull requests created by @dependabot with `do NOT merge` label
 are used to test against higher library versions when they are released.