diff --git a/doc.zih.tu-dresden.de/docs/contrib/contribute_container.md b/doc.zih.tu-dresden.de/docs/contrib/contribute_container.md
index f62cc380b1ed2c304791be56fc3d924973c61496..d050940d2afec1eb7325fa5e923a47797a83659c 100644
--- a/doc.zih.tu-dresden.de/docs/contrib/contribute_container.md
+++ b/doc.zih.tu-dresden.de/docs/contrib/contribute_container.md
@@ -110,7 +110,8 @@ $DC 'find docs -type f -name "*.md" | xargs -L1 markdown-link-check'
 For spell-checking a single file, , e.g.
 `doc.zih.tu-dresden.de/docs/software/big_data_frameworks.md`, use:
 
-```$DC './util/check-spelling.sh docs/software/big_data_frameworks.md'
+```Bash
+$DC './util/check-spelling.sh docs/software/big_data_frameworks.md'
 ```
 
 For spell-checking all files, use: