go.dev/_content/blog: update fuzzing terminology

Updates golang/go#49185

Change-Id: I9b07c0e0a1c034dc49f86c28a9e336458be18bab
Reviewed-on: https://go-review.googlesource.com/c/website/+/363514
Trust: Katie Hockman <katie@golang.org>
Run-TryBot: Katie Hockman <katie@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Website-Publish: DO NOT USE <dmitshur@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
diff --git a/go.dev/_content/blog/fuzz-beta.md b/go.dev/_content/blog/fuzz-beta.md
index 01fac50..a1ab75f 100644
--- a/go.dev/_content/blog/fuzz-beta.md
+++ b/go.dev/_content/blog/fuzz-beta.md
@@ -38,13 +38,13 @@
 
 	$ gotip test -fuzz=Fuzz
 
-## Writing a fuzz target
+## Writing a fuzz test
 
-A fuzz target must be in a \*\_test.go file as a function in the form `FuzzXxx`.
+A fuzz test must be in a \*\_test.go file as a function in the form `FuzzXxx`.
 This function must be passed a` *testing.F` argument, much like a `*testing.T`
 argument is passed to a `TestXxx` function.
 
-Below is an example of a fuzz target that’s testing the behavior of the [net/url
+Below is an example of a fuzz test that’s testing the behavior of the [net/url
 package](https://pkg.go.dev/net/url#ParseQuery).
 
 	//go:build go1.18