doc: remove misplaced period
doc: remove misplaced period

* Remove misplaced period after platforms link.
* Reflow.

Closes #6877.

PiperOrigin-RevId: 224865145

bazelbuild/bazel,ButterflyNetwork/bazel,safarmer/bazel,meteorcloudy/bazel,safarmer/bazel,akira-baruah/bazel,bazelbuild/bazel,perezd/bazel,katre/bazel,cushon/bazel,ulfjack/bazel,perezd/bazel,werkt/bazel,dslomov/bazel-windows,werkt/bazel,katre/bazel,werkt/bazel,cushon/bazel,werkt/bazel,bazelbuild/bazel,werkt/bazel,meteorcloudy/bazel,dslomov/bazel-windows,safarmer/bazel,bazelbuild/bazel,dslomov/bazel,dslomov/bazel-windows,meteorcloudy/bazel,ButterflyNetwork/bazel,dslomov/bazel-windows,dslomov/bazel,cushon/bazel,ulfjack/bazel,davidzchen/bazel,davidzchen/bazel,ButterflyNetwork/bazel,bazelbuild/bazel,dslomov/bazel-windows,davidzchen/bazel,aehlig/bazel,dslomov/bazel,bazelbuild/bazel,werkt/bazel,safarmer/bazel,ButterflyNetwork/bazel,dslomov/bazel-windows,akira-baruah/bazel,akira-baruah/bazel,twitter-forks/bazel,twitter-forks/bazel,ButterflyNetwork/bazel,cushon/bazel,meteorcloudy/bazel,perezd/bazel,twitter-forks/bazel,safarmer/bazel,akira-baruah/bazel,aehlig/bazel,ulfjack/bazel,aehlig/bazel,ulfjack/bazel,akira-baruah/bazel,ulfjack/bazel,akira-baruah/bazel,perezd/bazel,davidzchen/bazel,cushon/bazel,meteorcloudy/bazel,cushon/bazel,aehlig/bazel,ButterflyNetwork/bazel,twitter-forks/bazel,safarmer/bazel,perezd/bazel,meteorcloudy/bazel,katre/bazel,dslomov/bazel,twitter-forks/bazel,davidzchen/bazel,dslomov/bazel,twitter-forks/bazel,katre/bazel,meteorcloudy/bazel,perezd/bazel,ulfjack/bazel,twitter-forks/bazel,aehlig/bazel,katre/bazel,perezd/bazel,ulfjack/bazel,dslomov/bazel,davidzchen/bazel,aehlig/bazel,dslomov/bazel,katre/bazel,aehlig/bazel,davidzchen/bazel