_content/ref/mod: "go 1.16" is the default in go.mod
Fixes golang/go#47662
Change-Id: Ie4d327a48d426ce1cd4a5bd411186143fecf00e1
Reviewed-on: https://go-review.googlesource.com/c/website/+/381895
Reviewed-by: Bryan Mills <bcmills@google.com>
Trust: DO NOT USE <iant@google.com>
diff --git a/_content/ref/mod.md b/_content/ref/mod.md
index 928fb31..a4bcfa2 100644
--- a/_content/ref/mod.md
+++ b/_content/ref/mod.md
@@ -588,6 +588,9 @@
A `go.mod` file may contain at most one `go` directive. Most commands will add a
`go` directive with the current Go version if one is not present.
+As of the Go 1.17 release, if the `go` directive is missing, `go 1.16`
+is assumed.
+
```
GoDirective = "go" GoVersion newline .
GoVersion = string | ident . /* valid release version; see above */
