diff --git a/builder/src/main/java/net/kemitix/checkstyle/ruleset/builder/OutputProperties.java b/builder/src/main/java/net/kemitix/checkstyle/ruleset/builder/OutputProperties.java
index 39ec1ba..23b2f29 100644
--- a/builder/src/main/java/net/kemitix/checkstyle/ruleset/builder/OutputProperties.java
+++ b/builder/src/main/java/net/kemitix/checkstyle/ruleset/builder/OutputProperties.java
@@ -30,5 +30,7 @@ class OutputProperties {
     private Map<RuleLevel, String> rulesetFiles;
 
     /**
+     * The README.md file.
      */
+    private Path readme;
 }
diff --git a/builder/src/main/resources/application.yml b/builder/src/main/resources/application.yml
index 434d757..06c7395 100644
--- a/builder/src/main/resources/application.yml
+++ b/builder/src/main/resources/application.yml
@@ -6,6 +6,7 @@ output:
         JAVADOC: checkstyle-3-javadoc.xml
         TWEAKS: checkstyle-4-tweaks.xml
         COMPLEXITY: checkstyle-5-complexity.xml
+    readme: README.md
 template:
     checkstyle-xml: builder/src/main/resources/checkstyle-template.xml
     readme-template: builder/src/main/resources/README-template.md