diff --git a/docs/develop/index.md b/docs/develop/index.md
index 4cf53e9..8ef6b8b 100644
--- a/docs/develop/index.md
+++ b/docs/develop/index.md
@@ -1,6 +1,6 @@
 ## Unit tests
 
-The [headless unit tests](https://docs.civicrm.org/dev/en/latest/testing/#headless) are based on `phpunit4` and `cv`. Simply run:
+The [headless unit tests](https://docs.civicrm.org/dev/en/latest/testing/#headless) are based on PHPUnit and `cv`. Simply run:
 
 ```
 $ phpunit5