doc/go1.17: fix typo
doc/go1.17: fix typo

Change-Id: Ie8629e0f710d3eb95b4bbcc9c680ffc5004c2f15
GitHub-Last-Rev: 52f48f429cdd65692b88f724f757efed1fa39cd2
GitHub-Pull-Request: golang/go#46812
Reviewed-on: https://go-review.googlesource.com/c/go/+/329289
Reviewed-by: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>
Trust: Tobias Klauser <0a68dd4915066ec5d3f81f75a828fee53dcc8822@gmail.com>

golang/go,cloudflare/go,nawawi/go,cloudflare/go,cloudflare/go,cloudflare/go,nawawi/go,cloudflare/go,golang/go,golang/go,nawawi/go,CAFxX/go,CAFxX/go,cloudflare/go,golang/go,cloudflare/go,golang/go,CAFxX/go,CAFxX/go,CAFxX/go,nawawi/go,golang/go,nawawi/go,nawawi/go,golang/go,nawawi/go,CAFxX/go,CAFxX/go,nawawi/go,cloudflare/go,golang/go,CAFxX/go