diff -r e46406fd1b3c -r c6f55a2b3495 docs/Writerside/topics/test.h.md
--- a/docs/Writerside/topics/test.h.md	Fri Oct 10 17:24:19 2025 +0200
+++ b/docs/Writerside/topics/test.h.md	Fri Oct 10 19:35:25 2025 +0200
@@ -93,7 +93,7 @@
 Instead, you define a callable test subroutine with `CX_TEST_SUBROUTINE` and call it with `CX_TEST_CALL_SUBROUTINE`.
 The following example illustrates this with an adaption of the above test case.
 
-<code-block lang="C"><![CDATA[
+```c
 CX_TEST_SUBROUTINE(test_foo_params, struct mystruct *x, int d) {
     x->d = d;
     CX_TEST_ASSERT(foo(x) == d);
@@ -108,7 +108,7 @@
     }
     free(x);
 }
-]]></code-block>
+```
 
 > Any test function, test case or test subroutine, is a normal C function.
 > As such you can decide to make them `static` when you do not want external linkage.