#13: JDK/JRE requirements.
diff --git a/org.jacoco.doc/docroot/doc/environment.html b/org.jacoco.doc/docroot/doc/environment.html
index 7e25f51..611a7ac 100644
--- a/org.jacoco.doc/docroot/doc/environment.html
+++ b/org.jacoco.doc/docroot/doc/environment.html
@@ -31,6 +31,14 @@
projects are OSGi bundles, therefore the PDE feature is required.
</p>
+<h3>JRE/JDK</h3>
+
+<p>
+ The minimum JRE version to execute JaCoCo is Java 1.5. However to guarantee
+ compatibility the JaCoCo build scripts enforce the use of a 1.5 JDK (no
+ higher version).
+</p>
+
<h3>Third Party Dependencies</h3>
<p>