diff --git a/docs/src/explanations/printing.md b/docs/src/explanations/printing.md
index a199a514aa5..6cad26b3205 100644
--- a/docs/src/explanations/printing.md
+++ b/docs/src/explanations/printing.md
@@ -105,6 +105,13 @@ Notice the use of `+` between `cf` interpolated "strings". The results of `cf` i
 
 > :warning: The Scala s-interpolator is deprecated since 3.5 and will output the warning: "s-interpolators for Chisel assert, assume and printf statements are deprecated (since 3.5); use p or cf interpolators instead"
 
+```scala mdoc:fail
+class MyModule extends Module {
+  val in = IO(Input(UInt(8.W)))
+  printf(s"in = $in\n")
+}
+```
+
 ### C-Style
 
 Chisel provides `printf` in a similar style to its C namesake. It accepts a double-quoted format string and a variable number of arguments which will then be printed on rising clock edges. Chisel supports the following format specifiers: