website: _content/blog/warp.go: correct example comment

Change-Id: Id3ccdb1867e39e260b205a68d1823f47e575f9b0
Reviewed-on: https://go-review.googlesource.com/c/website/+/403294
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Benny Siegert <bsiegert@gmail.com>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
diff --git a/_content/blog/wrap.go b/_content/blog/wrap.go
index 316eb91..b84b9df 100644
--- a/_content/blog/wrap.go
+++ b/_content/blog/wrap.go
@@ -19,8 +19,8 @@
 //
 // Examples
 //
-//	go run -w wrap.go your.article
-//	go run -w wrap.go *.article
+//	go run wrap.go -w your.article
+//	go run wrap.go -w *.article
 //
 package main