# Rebuilding the DITA-OT documentation

When you add or remove plug-ins, you can rebuild the documentation to update the information on the extension points, messages, and parameters that are available in your environment.

## About this task

DITA-OT ships with a Gradle build script that enables you to rebuild the toolkit documentation. The build script reads the toolkit’s plug-in configuration and automatically regenerates topics and properties file templates based on the extension points, messages, and parameters provided by the installed plug-ins.

Attention:
If you have installed new plug-ins, you may need to add the corresponding generated topics to the DITA maps to include the new information in the output.

## Procedure

1. Change to the docsrc/ subdirectory of the DITA-OT installation.
2. Run one of the following commands.
   - On Linux and macOS:

         ./gradlew target

   - On Windows:

         gradlew.bat target

   The target parameter is optional and specifies a transformation type. It takes the following values:
   - html
   - htmlhelp
   - pdf

   If you do not specify a target, HTML5 and PDF output is generated.