diff --git a/en/appendices/5-1-upgrade-guide.rst b/en/appendices/5-1-upgrade-guide.rst
index 34a8216798..da96d27aa6 100644
--- a/en/appendices/5-1-upgrade-guide.rst
+++ b/en/appendices/5-1-upgrade-guide.rst
@@ -44,6 +44,8 @@ Http
 TestSuite
 ---------
 
+- ``ConnectionHelper`` methods are now all static. This class has no state and
+  its methods were updated to be static.
 - ``LogTestTrait`` was added. This new trait makes it easy to capture logs in
   your tests and make assertions on the presence or absence of log messages.