diff --git a/docs/index.rst b/docs/index.rst
index 9449f5d..599efc3 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -18,7 +18,8 @@ Installation
 ------------
 You can install the package via pip:
 
-.. testcode::
+
+.. code-block::
    
    pip install metaspace-converter