diff --git a/examples/corelib/threads/doc/src/mandelbrot.qdoc b/examples/corelib/threads/doc/src/mandelbrot.qdoc
index a42a8ee871..6081912e69 100644
--- a/examples/corelib/threads/doc/src/mandelbrot.qdoc
+++ b/examples/corelib/threads/doc/src/mandelbrot.qdoc
@@ -3,6 +3,7 @@
 
 /*!
     \example threads/mandelbrot
+    \examplecategory {Data Processing & I/O}
     \title Mandelbrot
     \ingroup qtconcurrent-mtexamples