diff --git a/src/tests/intro.md b/src/tests/intro.md
index c55d60f4a..e97574f02 100644
--- a/src/tests/intro.md
+++ b/src/tests/intro.md
@@ -116,7 +116,9 @@ This requires building all of the documentation, which might take a while.
 `distcheck` verifies that the source distribution tarball created by the build
 system will unpack, build, and run all tests.
 
-> Example: `./x test distcheck`
+```console
+./x test distcheck
+```
 
 ### Tool tests