docs: update README.md (#48)

Author: dsherret

README.md

@@ -2,7 +2,7 @@
 
 Website for [https://plugins.dprint.dev](https://plugins.dprint.dev).
 
-## Redirect to Any GitHub Repo (For Plugin Authors)
+## URLs to Any GitHub Repo (For Plugin Authors)
 
 This service provides a convenient URL for a plugin stored in any GitHub repo.
 
@@ -11,7 +11,7 @@ To use it, create a GitHub release in your repo with:
 1. Plugin named `plugin.wasm` (use `plugin.json` for process plugins)
 1. JSON schema named `schema.json` (if exists)
 
-Then your redirect urls will look like:
+Then your URLs will look like:
 
 ```
 https://plugins.dprint.dev/<username>/<repo_name>-<tag_name>.wasm
@@ -24,7 +24,9 @@ Restrictions and recommendations:
 1. Tag names must not contain a dash (`-`).
 1. It is recommended to use the format `x.x.x` for your tag names to be consistent with other plugins (ex. no leading `v` like `v1.0.0`).
 
-If your repo name is in the format `dprint-plugin-<something>` then you can omit `dprint-plugin-` in the `<repo_name>` for the redirect (ex. `https://plugins.dprint.dev/<user>/dprint-plugin-typescript-0.0.0.wasm` may be shortened to `https://plugins.dprint.dev/<user>/typescript-0.0.0.wasm`).
+If your repo name is in the format `dprint-plugin-<something>` then you can omit `dprint-plugin-` in the `<repo_name>` for the URL (ex. `https://plugins.dprint.dev/<user>/dprint-plugin-typescript-0.0.0.wasm` may be shortened to `https://plugins.dprint.dev/<user>/typescript-0.0.0.wasm`).
+
+Note that once a URL is cached it is cached forever by the service.
 
 ## Release Assets
 
@@ -40,7 +42,7 @@ For example:
 https://plugins.dprint.dev/dprint/dprint-plugin-prettier/0.67.0/asset/dprint-plugin-prettier-aarch64-apple-darwin.zip
 ```
 
-This is useful for process plugins that distribute platform-specific binaries. Assets are cached in R2 for persistence.
+This is useful for process plugins that distribute platform-specific binaries (unfortunately [this bug](https://github.com/dprint/dprint/pull/1114) prevents using relative URLs for some time). Assets are cached in R2 for persistence.
 
 Note: To get approved, open a PR to this repository including your username and plugin repo.