diff --git a/qmake/doc/src/qmake-manual.qdoc b/qmake/doc/src/qmake-manual.qdoc
index 3b47a289e45..d396c238b84 100644
--- a/qmake/doc/src/qmake-manual.qdoc
+++ b/qmake/doc/src/qmake-manual.qdoc
@@ -1809,6 +1809,20 @@
 
     \note Do not attempt to overwrite the value of this variable.
 
+    \section1 QMAKE_APPLE_DEVICE_ARCHS
+
+    \note This variable is used on \macos only.
+
+    Specifies a list of architectures to build for. By default, a project is
+    built for the development machine's architecture. This variable allows to
+    override the default and build for a different architecture or to create
+    multi-architecture binaries.
+
+    This variable is usually specified on the command line or in the project
+    file.
+
+    See \l{Qt for macOS} for more information.
+
     \section1 QMAKE_AR_CMD
 
     \note This variable is used on Unix platforms only.