diff --git a/docs/advanced-hyperopt.md b/docs/advanced-hyperopt.md
index f47c33880..25b4bd900 100644
--- a/docs/advanced-hyperopt.md
+++ b/docs/advanced-hyperopt.md
@@ -10,7 +10,7 @@ Custom hyperop classes can be derived in the same way [it can be done for strate
 
 Applying to hyperoptimization, as an example, you may override how dimensions are defined in your optimization hyperspace:
 
-```
+```python
 class MyAwesomeHyperOpt(IHyperOpt):
     ...
     # Uses default stoploss dimension