diff --git a/topics/basics/testing_plugins/testing_plugins.md b/topics/basics/testing_plugins/testing_plugins.md
index fc16a4330..157cc8158 100644
--- a/topics/basics/testing_plugins/testing_plugins.md
+++ b/topics/basics/testing_plugins/testing_plugins.md
@@ -13,7 +13,7 @@ What this means is the following:
 
 The most significant benefit of this test approach is that tests are very stable and require very little maintenance once written, no matter how much the underlying implementation is refactored or rewritten.
 
-In a product with 15+ years of a lifetime that has gone through many internal refactorings, we find that this benefit dramatically outweighs the downsides of slower test execution and more difficult debugging of failures compared to more isolated unit tests.
+In a product with 20+ years of a lifetime that has gone through many internal refactorings, we find that this benefit dramatically outweighs the downsides of slower test execution and more difficult debugging of failures compared to more isolated unit tests.
 
 ### Mocks