diff --git a/doc/langref/inline_call.zig b/doc/langref/inline_call.zig
index a0cc1440ae..17625884bd 100644
--- a/doc/langref/inline_call.zig
+++ b/doc/langref/inline_call.zig
@@ -1,3 +1,5 @@
+const std = @import("std");
+
 test "inline function call" {
     if (foo(1200, 34) != 1234) {
         @compileError("bad");
@@ -5,6 +7,7 @@ test "inline function call" {
 }
 
 inline fn foo(a: i32, b: i32) i32 {
+    std.debug.print("runtime a = {} b = {}", .{ a, b });
     return a + b;
 }