diff --git a/doc/src/platforms/linux.qdoc b/doc/src/platforms/linux.qdoc
index 86c0b0fa0d2b7a8c1fe081dfefc101737301b9f8..466485381e5ee0dab6e2b58dd200e59554bbc806 100644
--- a/doc/src/platforms/linux.qdoc
+++ b/doc/src/platforms/linux.qdoc
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2017 The Qt Company Ltd.
+** Copyright (C) 2019 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the documentation of the Qt Toolkit.
@@ -446,6 +446,13 @@
         \c LD_LIBRARY_PATH environment variable to include
         \c{/usr/local/Qt-%VERSION%/lib}. On Linux with GCC this step
         is not needed.
+
+    \section1 Step 5: Build the Qt Documentation
+
+        For the Qt reference documentation to be available in \l {Qt Assistant},
+        you must build it separately:
+
+    \snippet snippets/code/doc_src_installation.qdoc 24
 */
 
 /*!
diff --git a/doc/src/platforms/macos.qdoc b/doc/src/platforms/macos.qdoc
index 632620b8375d08d0c195a5c9746711dc6e428ce6..0a3ae32dcdd50d2ed4db4840570532f9b63cae0e 100644
--- a/doc/src/platforms/macos.qdoc
+++ b/doc/src/platforms/macos.qdoc
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2017 The Qt Company Ltd.
+** Copyright (C) 2019 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the documentation of the Qt Toolkit.
@@ -354,7 +354,14 @@
         If you use a different shell, please modify your environment
         variables accordingly.
 
-    \b {That's all. Qt is now installed.}
+    \b {Qt is now installed.}
+
+    \section1 Step 5: Build the Qt Documentation
+
+    For the Qt reference documentation to be available in \l {Qt Assistant}, you
+    must build it separately:
+
+    \snippet snippets/code/doc_src_installation.qdoc 24
 
     \section1 Limitations
 
diff --git a/doc/src/platforms/windows.qdoc b/doc/src/platforms/windows.qdoc
index 76bf4be7ea6719176b48dd093c4a7719df2f7bd0..8e92e6ce30d8d8747eba0e2aa72a6c2078b4f248 100644
--- a/doc/src/platforms/windows.qdoc
+++ b/doc/src/platforms/windows.qdoc
@@ -1214,4 +1214,12 @@
         \l{jom} is a replacement for \c nmake which makes use of all CPU cores
         and thus speeds up building.
 
+    \section1 Step 5: Build the Qt Documentation
+
+        For the Qt reference documentation to be available in \l {Qt Assistant},
+        you must build it separately:
+
+        \code
+        nmake docs
+        \endcode
 */
diff --git a/doc/src/snippets/code/doc_src_installation.qdoc b/doc/src/snippets/code/doc_src_installation.qdoc
index 90ff36132f4d2abdf1dd2015437041beac2f8d8c..44d9a77554e07d291b14c8a53e6a59ae239ca95b 100644
--- a/doc/src/snippets/code/doc_src_installation.qdoc
+++ b/doc/src/snippets/code/doc_src_installation.qdoc
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2016 The Qt Company Ltd.
+** Copyright (C) 2019 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the documentation of the Qt Toolkit.
@@ -163,6 +163,7 @@ nmake install
 
 
 //! [24]
+make docs
 //! [24]
 
 //! [25]