diff --git a/README.md b/README.md
index c1e854d..0234625 100644
--- a/README.md
+++ b/README.md
@@ -1317,7 +1317,8 @@ type Temperature =
     | Fahrenheit of float
     | Kelvin of float
     | Réaumur of float
-     
+```
+```rust
 enum Temperature {
     Celsius(f64),
     Fahrenheit(f64),