Format markdown (ko-build#282)

Signed-off-by: Knative Automation <automation@knative.team>

README.md

@@ -528,10 +528,10 @@ kubectl apply -f release.yaml
 ### How can I set ldflags?
 
 [Using `-ldflags`](https://blog.cloudflare.com/setting-go-variables-at-compile-time/)
-is a common way to embed version info in go binaries. (In fact, [we do this for
-`ko`](https://github.com/google/ko/blob/c2b862d468505dea36ed86e724ca3d190c0d462d/.goreleaser.yml#L15-L16).)
-Unforunately, because `ko` wraps `go build`, it's not possible to use this
-flag directly; however, you can use the `GOFLAGS` environment variable instead:
+is a common way to embed version info in go binaries. (In fact,
+[we do this for `ko`](https://github.com/google/ko/blob/c2b862d468505dea36ed86e724ca3d190c0d462d/.goreleaser.yml#L15-L16).)
+Unforunately, because `ko` wraps `go build`, it's not possible to use this flag
+directly; however, you can use the `GOFLAGS` environment variable instead:
 
 ```
 GOFLAGS="-ldflags=-X=main.version=1.2.3" ko publish .