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@@ -16,7 +16,7 @@ To reproduce some of the following screenshots you may just play around a bit
 with the demo files in the ~~main~~ demos directory: `~/pyrate$ python -m demos.demo_optimize`.
 
 For setting up your own system, you may use one of our convenience functions
-```
+```python
 import pyrateoptics
 
 components = [