diff --git a/README.md b/README.md
index ee41e811..5601b12c 100644
--- a/README.md
+++ b/README.md
@@ -329,7 +329,7 @@ This is intended for advanced use cases where you have servers
 exposing Prometheus metrics and need to get them into some other
 system.
 
-```
+```python
 from prometheus_client.parser import text_string_to_metric_families
 for family in text_string_to_metric_families("my_gauge 1.0\n"):
   for sample in family.samples: