diff --git a/README.md b/README.md
index 7ee78e6..b82fe03 100644
--- a/README.md
+++ b/README.md
@@ -176,6 +176,14 @@ Note: records are a preview feature only. You'll need take a number of steps in
 
 Note: I've seen some very odd compilation bugs with the current Java 14 and Maven. If you get internal Javac errors I suggest rebuilding with `mvn clean package` and/or `mvn clean install`.
 
+## Customizing
+
+The names of the generated methods, etc. are determined by `RecordBuilderMetaData`. If you want to use your own meta data instance:
+
+- Create a class that implements RecordBuilderMetaData
+- When compiling, make sure that the compiled class is in the processor path
+- Add a "metaDataClass" compiler option with the class name. E.g. `javac ... -AmetaDataClass=foo.bar.MyMetaData`
+
 ## TODOs
 
 - Document how to integrate with Gradle