doc/go1.17: fix typo

Change-Id: Ie8629e0f710d3eb95b4bbcc9c680ffc5004c2f15
GitHub-Last-Rev: 52f48f4
GitHub-Pull-Request: #46812
Reviewed-on: https://go-review.googlesource.com/c/go/+/329289
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Tobias Klauser <tobias.klauser@gmail.com>

doc/go1.17.html

@@ -162,7 +162,7 @@ <h4 id="lazy-loading">Lazy module loading</h4>
  By default, <code>go</code> <code>mod</code> <code>tidy</code> verifies that
  the selected versions of dependencies relevant to the main module are the same
  versions that would be used by the prior Go release (Go 1.16 for a module that
- spsecifies <code>go</code> <code>1.17</code>), and preserves
+ specifies <code>go</code> <code>1.17</code>), and preserves
  the <code>go.sum</code> entries needed by that release even for dependencies
  that are not normally needed by other commands.
 </p>