diff --git a/docs/installation-instructions.rst b/docs/installation-instructions.rst
index 5ae24530..3e6a628b 100644
--- a/docs/installation-instructions.rst
+++ b/docs/installation-instructions.rst
@@ -45,7 +45,8 @@ Integration in Arduino IDE
 
 Paste the following URL into the *Additional boards manager URLs* input field under *File > Preferences* to add Infineon's XMC microcontroller boards to the Arduino IDE.
 
-.. code-block:: shell
+::
+
     https://github.com/Infineon/XMC-for-Arduino/releases/latest/download/package_infineon_index.json
 
 .. image:: img/preference_JSON.png