text/template: fix doc spacing
Change-Id: I4550ce3135b3cd675010a3701618e9350f282453
GitHub-Last-Rev:
d2e52f14968621e9913dd66ef6b26348012c83b3
GitHub-Pull-Request: golang/go#68519
Reviewed-on: https://go-review.googlesource.com/c/go/+/599535
Reviewed-by: Ian Lance Taylor <iant@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Rob Pike <r@golang.org>