diff --git a/contribs/simwrapper/src/main/java/org/matsim/simwrapper/Header.java b/contribs/simwrapper/src/main/java/org/matsim/simwrapper/Header.java
index 7f58b7a6681..0488d281a88 100644
--- a/contribs/simwrapper/src/main/java/org/matsim/simwrapper/Header.java
+++ b/contribs/simwrapper/src/main/java/org/matsim/simwrapper/Header.java
@@ -6,13 +6,19 @@
  */
 public final class Header {
 
+	/**
+	 * Text to be displayed in the tab.
+	 */
 	public String tab;
+	/**
+	 * Title of the dashboard.
+	 */
 	public String title;
 	public String description;
 
 	/**
 	 * Enable dashboard to fill the whole screen.
 	 */
-	public boolean fullScreen = false;
+	public Boolean fullScreen;
 
 }
diff --git a/contribs/simwrapper/src/main/java/org/matsim/simwrapper/SimWrapper.java b/contribs/simwrapper/src/main/java/org/matsim/simwrapper/SimWrapper.java
index a7fb0b2d946..ec50b54c01e 100644
--- a/contribs/simwrapper/src/main/java/org/matsim/simwrapper/SimWrapper.java
+++ b/contribs/simwrapper/src/main/java/org/matsim/simwrapper/SimWrapper.java
@@ -226,7 +226,6 @@ public static final class Config {
 		public String footer_en;
 		public String footer_de;
 		public String css;
-
 		public String theme;
 
 	}