diff --git a/doc/en/user/source/styling/sld-extensions/composite-blend.rst b/doc/en/user/source/styling/sld-extensions/composite-blend.rst
index 9f1071d29c5..fd34ce47845 100644
--- a/doc/en/user/source/styling/sld-extensions/composite-blend.rst
+++ b/doc/en/user/source/styling/sld-extensions/composite-blend.rst
@@ -406,11 +406,12 @@ In case a custom opacity is desired, it can be added after the operation name:
multiply, 0.5
.. warning:: Blending against symbolizers causes exceptions inside the JDK when using OpenJDK, the issue is known to
- the OpenJDK developers, but currently not being worked on: https://bugs.openjdk.java.net/browse/JDK-8048782 .
+ the OpenJDK developers, and has been reportedly fixed in OpenJDK 9,
+ but not in OpenJDK 8 or 7: https://bugs.openjdk.java.net/browse/JDK-8048782.
Tests against Oracle JDK 8 or even Oracle JDK 7 show no issue.
- One way to keep on using OpenJDK along with symbolizer specific composite modes is to install in it
+ One way to keep on using OpenJDK 7/8 along with symbolizer specific composite modes is to install in it
the `Marlin renderer `_
which replaces the OpenJDK core renderer, and does not suffer from the same issue (and it's faster, too).