diff --git a/doc/en/getting-started.rst b/doc/en/getting-started.rst
index 1275dff90..28fd862cf 100644
--- a/doc/en/getting-started.rst
+++ b/doc/en/getting-started.rst
@@ -210,6 +210,8 @@ This is outlined below:
     FAILED test_class_demo.py::TestClassDemoInstance::test_two - assert 0
     2 failed in 0.12s
 
+Note that attributes added at class level are *class attributes*, so they will be shared between tests.
+
 Request a unique temporary directory for functional tests
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