Fix link markup

Author: philwebb

README.adoc

@@ -270,7 +270,7 @@ Once the configuration file is created, configure your IDE to use it:
 
 === Visual Studio Code
 The Visual Studio Code extension provides custom formatter support for Microsoft Visual Studio Code.
-The extension using the [`DocumentFormattingEditProvider`](https://code.visualstudio.com/api/references/vscode-api#DocumentFormattingEditProvider) API.
+The extension using the https://code.visualstudio.com/api/references/vscode-api#DocumentFormattingEditProvider[`DocumentFormattingEditProvider`] API.
 Once installed it may be activated by using the "`Format Document`" action available in the editor context menu or from the Command Palette.
 
 To install the extension select "`Install from VSIX`" in the extensions panel and choose the `spring-javaformat-vscode-extension` vsix file.