diff --git a/examples/corelib/threads/doc/src/semaphores.qdoc b/examples/corelib/threads/doc/src/semaphores.qdoc
index 20c518df70f..f5ff90b0140 100644
--- a/examples/corelib/threads/doc/src/semaphores.qdoc
+++ b/examples/corelib/threads/doc/src/semaphores.qdoc
@@ -3,6 +3,7 @@
 
 /*!
     \example threads/semaphores
+    \examplecategory {Data Processing & I/O}
     \title Producer and Consumer using Semaphores
     \ingroup qtconcurrent-mtexamples