Fixed README default config example

README.md

@@ -42,7 +42,7 @@ In DDEV, addons can be installed from the command line using the `ddev add-on ge
 
 ## Customizing the Pa11y configuration
 
-The Pa11y configuration can be customized by creating a custom .json file inside tests/pa11y folder. For example, you can create a file called `tests/pa11y/config.json` with the following content: 
+The Pa11y configuration can be customized by update the custom .json file inside tests/pa11y folder. For example, you can create a file called `tests/pa11y/config.json` with the following content: 
 
 ```json
 {
@@ -59,5 +59,4 @@ The Pa11y configuration can be customized by creating a custom .json file inside
 To use this config file, you can run the Pa11y service with the following command: 
 `ddev pa11y http://example.com --config=/tests/pa11y/config.json --reporter=junit`.
 
-
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