diff --git a/content/courses/testing-foundations/the-testing-pyramid.mdx b/content/courses/testing-foundations/the-testing-pyramid.mdx
index 3bb8659e..e414f361 100644
--- a/content/courses/testing-foundations/the-testing-pyramid.mdx
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 ![](/images/testing-foundations/automated-tools-pyramid.png)
 
-Source: [https://reflect.run/articles/automated-testing-tools/](https://reflect.run/articles/automated-testing-tools/)
-
 The testing pyramid illustrates the various types of tests and their relationship to one another. Developers can be pretty dogmatic and very strongly opinionated when it comes to testing, but remember, while definitions and labels can be helpful, ultimately, "[it's not important what you call it, but what it does](https://web.archive.org/web/20150104002755/http://gojko.net/2011/01/12/the-false-dichotomy-of-tests)" - Gojko Adzic.
 
 ## Unit tests