Merge pull request #153 from joshtriplett/grammar

README.md: Fix grammar and reword slightly

Author: nikomatsakis

src/README.md

@@ -20,5 +20,5 @@ Want to learn more? Check out some of the following:
 
 * [RFC #3614, which describes the overall goals and plan](https://github.com/rust-lang/rfcs/blob/master/text/3614-project-goals.md)
 * The currently [proposed goals for 2024H2](./2024h2/slate.md)
-* [Instructions for propose a goal of your own](./how_to/propose_a_goal.md)
+* [How to propose a goal of your own](./how_to/propose_a_goal.md)
 * [What it means to be a goal owner](./about/owners.md)