docs(README): fix prettier getFileInfo link (#335)

Author: neighborhood999

README.md

@@ -121,7 +121,7 @@ For the list of every available exclusion rule set, please see the [readme of es
       }]
       ```
 
-    - `fileInfoOptions`: Options that are passed to [prettier.getFileInfo](https://prettier.io/docs/en/api.html#prettiergetfileinfofilepath-options) to decide whether a file needs to be formatted. Can be used for example to opt-out from ignoring files located in `node_modules` directories.
+    - `fileInfoOptions`: Options that are passed to [prettier.getFileInfo](https://prettier.io/docs/en/api.html#prettiergetfileinfofilepath--options) to decide whether a file needs to be formatted. Can be used for example to opt-out from ignoring files located in `node_modules` directories.
 
       ```json
       "prettier/prettier": ["error", {}, {