diff --git a/doc/data/messages/i/invalid-unary-operand-type/bad.py b/doc/data/messages/i/invalid-unary-operand-type/bad.py
new file mode 100644
index 0000000000..77391c3d9e
--- /dev/null
+++ b/doc/data/messages/i/invalid-unary-operand-type/bad.py
@@ -0,0 +1,3 @@
+cherries = 10
+eaten_cherries = int
+cherries = - eaten_cherries  # [invalid-unary-operand-type]
diff --git a/doc/data/messages/i/invalid-unary-operand-type/details.rst b/doc/data/messages/i/invalid-unary-operand-type/details.rst
deleted file mode 100644
index ab82045295..0000000000
--- a/doc/data/messages/i/invalid-unary-operand-type/details.rst
+++ /dev/null
@@ -1 +0,0 @@
-You can help us make the doc better `by contributing <https://github.com/PyCQA/pylint/issues/5953>`_ !
diff --git a/doc/data/messages/i/invalid-unary-operand-type/good.py b/doc/data/messages/i/invalid-unary-operand-type/good.py
index c40beb573f..a9a47f5a28 100644
--- a/doc/data/messages/i/invalid-unary-operand-type/good.py
+++ b/doc/data/messages/i/invalid-unary-operand-type/good.py
@@ -1 +1,3 @@
-# This is a placeholder for correct code for this message.
+cherries = 10
+eaten_cherries = 2
+cherries -= eaten_cherries