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diff --git a/Help/manual/cmake-packages.7.rst b/Help/manual/cmake-packages.7.rst
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--- a/Help/manual/cmake-packages.7.rst
+++ b/Help/manual/cmake-packages.7.rst
@@ -564,6 +564,21 @@ containing the package configuration file.
There is no system package registry on non-Windows platforms.
+.. _`Disabling the Package Registry`:
+
+Disabling the Package Registry
+------------------------------
+
+In some cases using the Package Registries is not desirable. CMake
+allows to disable them using the following variables:
+
+ * :variable:`CMAKE_EXPORT_NO_PACKAGE_REGISTRY` disables the
+ :command:`export(PACKAGE)` command.
+ * :variable:`CMAKE_FIND_PACKAGE_NO_PACKAGE_REGISTRY` disables the
+ User Package Registry in all the :command:`find_package` calls.
+ * :variable:`CMAKE_FIND_PACKAGE_NO_SYSTEM_PACKAGE_REGISTRY` disables
+ the System Package Registry in all the :command:`find_package` calls.
+
Package Registry Example
------------------------