caleb's applicable suggestions

Co-authored-by: Caleb Cartwright <[email protected]>

nightly-style-policy.md

@@ -5,22 +5,26 @@ new variants to AST representation), they should modify rustfmt in such a
 way to keep existing formatting verbatim.
 
 Rustfmt is allowed to implement nightly-only formatting behavior without that
-syntax being specified by the style guide. Initial PR implementors are 
-encouraged but not required to open a PR against rustfmt suggesting an initial
+syntax being specified by the style guide. The initial authors of PRs
+implementing new features in rust-lang/rust are encouraged, but not
+required, to open a PR against
+[rustfmt](https://github.com/rust-lang/rustfmt) suggesting an initial
 formatting behavior, or formatting may later be implemented as a PR by anyone,
 pending approval of the implementation from T-rustfmt. T-style should be
 notified to approve the interim style proposed by these PRs, but this decision
 is not binding and may be revisited until the feature is stabilized and the
 formatting is codified in the style guide. 
 
-Much like breaking nightly feature changes in the Rust compiler, changes should
-be not done unnecessarily, and should take into account the feature's adoption
+Much like breaking nightly feature changes in the Rust compiler, any changes
+to formatting behavior for nightly syntax should be made cautiously and with
+thorough consideration to avoid churn. Changes should not be done unnecessarily,
+and should take into account the feature's adoption
 and readiness for stabilization. However, changes may be done until the feature
 is stabilized for various reasons: new understanding of the feature's usage in
 the language, recommendation from T-style, or changes in the implementation of
 the feature.
 
 Feature stabilization should be blocked on confirmation and codification of
-formatting bheavior. At this point, T-style may also propose alternative
+formatting behavior. At this point, T-style may also propose alternative
 formatting at the time of stabilization, with any breaking changes weighted
 according to the principle stated above.