diff --git a/docs/docs/20-usage/50-environment.md b/docs/docs/20-usage/50-environment.md
index d3bf49c10..1bdd6c609 100644
--- a/docs/docs/20-usage/50-environment.md
+++ b/docs/docs/20-usage/50-environment.md
@@ -148,6 +148,7 @@ pipeline:
     environment:
       - [...]
 +     - WOODPECKER_ENVIRONMENT=GOLANG_VERSION:1.18
+```
 
 ## String Substitution