message: Docs: fix capitalization
diff: @@ -37,7 +37,7 @@ implementation.
  The loader mimicks existing web protocols. Similar to how the browser requests state and app logic (a website) from a
  web server, a Fluid host uses the loader to request a [Fluid container](./containers-runtime.md) from the Fluid service.
  -## host responsibilities
  +## Fluid host responsibilities
  A Fluid host creates a Fluid loader with a URL resolver, Fluid service driver, and code loader. The host then requests a
  Fluid container from the loader. Finally, the host *does something* with the Fluid containers. A host can request
  