diff --git a/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/internal/views/fx/ErrorViewFXLayoutController.java b/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/internal/views/fx/ErrorViewFXLayoutController.java
index 448847b34278c1561dca19858afdfb4992b8ca7c..f0fab75e30e8f82818b98ed42ab5e34b3dc83b11 100644
--- a/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/internal/views/fx/ErrorViewFXLayoutController.java
+++ b/org.fortiss.tooling.kernel.ui/src/org/fortiss/tooling/kernel/ui/internal/views/fx/ErrorViewFXLayoutController.java
@@ -82,6 +82,8 @@ public class ErrorViewFXLayoutController extends CompositeFXControllerBase<Node,
 	/** Called when debug checkbox is pushed. */
 	public void onDebugBtn() {
 		if(!debugBtn.isSelected()) {
+			// FIXME (AB) Usage of static import (Ctrl-Shift-M) is mandatory in coding guidelines.
+			// Also applies to the further occurrences below.
 			toggleState.put(ESeverity.DEBUG, true);
 		} else {
 			toggleState.put(ESeverity.DEBUG, false);