fix migration guides

Author: felixheck

README.md

@@ -264,13 +264,15 @@ process.on('SIGINT', async () => {
 **Features**
 - It's now possible to register multiple strategies with the same scheme `keycloak-jwt`
 
-**Breaking Changes**
+**Changes**
+- `name` is a new unique strategy-related option.
 - `apiKey.url` not longer accepts placeholders
+- The [option](#api) setup changed. All plugin-related options are used as defaults for [strategy-related options][strategy-options].
+- Even though every strategy-related option can also set via the plugin options, `apiKey` can only be set once in the plugin options.
 
-**Changes**
-- `name` is a new unique strategy-related option. There's a default, so it's only required in case of multiple registered strategies.
-- The [option](#api) setup changed. All plugin-related options are used as defaults for [strategy-related options][strategy-options]. In case of multiple registered strategies, use at least a different `name` option in each strategy. `apiKey` options cannot be overridden.
-- `server.kjwt.validate` requires `name` as second argument in case of multiple registered strategies
+In case of multiple registered strategies for this scheme:
+- Use at least a different `name` option in each strategy.
+- `server.kjwt.validate` requires `name` as second argument
 
 ## Developing and Testing
 First you have to install all dependencies: