diff --git a/_test/README b/_test/README
index 654b99182b4445cbc0011d2bb48ef76b2115a93c..1380d1f5266bb6e5a0b048b3247b276abd445c93 100644
--- a/_test/README
+++ b/_test/README
@@ -15,7 +15,8 @@ Content of this document:
 Requirements
 -----------------------------------------------------------------------------
 
-  * PHP Unit 3.7
+  * PHPUnit 3.6.10+
+    http://www.phpunit.de/
 
 
 Installation of PHPUnit via Pear