diff --git a/qt/org.eclipse.cdt.qt.core/src/org/eclipse/cdt/qt/core/index/IQMakeProjectInfoListener.java b/qt/org.eclipse.cdt.qt.core/src/org/eclipse/cdt/qt/core/index/IQMakeProjectInfoListener.java
index ba132f02266..7ae7641729e 100644
--- a/qt/org.eclipse.cdt.qt.core/src/org/eclipse/cdt/qt/core/index/IQMakeProjectInfoListener.java
+++ b/qt/org.eclipse.cdt.qt.core/src/org/eclipse/cdt/qt/core/index/IQMakeProjectInfoListener.java
@@ -15,6 +15,10 @@ public interface IQMakeProjectInfoListener {
 	/**
 	 * Notifies that a QMake information provided by IQMakeProjectInfo might have changed.
 	 * A new QMake information can be read via IQMakeProjectInfo.getQMakeInfo() method.
+	 *
+	 * Note that this method might be called even after the listener is removed from
+	 * IQMakeProjectInfo. To prevent this, your implementation should maintain a flag
+	 * representing whether qmakeInfoChanged() notifications should be processed or not.
 	 */
 	void qmakeInfoChanged();