diff --git a/src/import-alias.md b/src/import-alias.md
index 50bc352..0991047 100644
--- a/src/import-alias.md
+++ b/src/import-alias.md
@@ -25,7 +25,7 @@ import (
   "fmt"
   "os"
 
-
+  runtimetrace "runtime/trace"
   nettrace "golang.net/x/trace"
 )
 ```