doc: remove misplaced period
* Remove misplaced period after platforms link.
* Reflow.
Closes
@@ -20,7 +20,7 @@ decouple their rule logic from platform-based selection of tools. It is
recommended to read the
[rules](skylark/rules.html)
and
-[platforms](platforms.html).
+[platforms](platforms.html)
pages before continuing. This page covers why toolchains are needed, how to
define and use them, and how Bazel selects an appropriate toolchain based on
platform constraints.
