diff --git a/dataengine.h b/dataengine.h
index ac4ad1041..fe945c774 100644
--- a/dataengine.h
+++ b/dataengine.h
@@ -133,7 +133,7 @@ class PLASMA_EXPORT DataEngine : public QObject
         /**
          * Reference counting method. Used to determine if this DataEngine is 
          * used.
-         * @return true if the reference count is zero
+         * @return true if the reference count is non-zero
          **/
         bool isUsed() const;