Help: CMAKE_<LANG>_USING_LINKER_<TYPE> can be a list of flags

Help/variable/CMAKE_LANG_USING_LINKER_MODE.rst

@@ -7,8 +7,10 @@ This controls how the value of the :variable:`CMAKE_<LANG>_USING_LINKER_<TYPE>`
 variable should be interpreted. The supported linker mode values are:
 
 ``FLAG``
-  :variable:`CMAKE_<LANG>_USING_LINKER_<TYPE>` holds compiler flags. This is
-  the default.
+  :variable:`CMAKE_<LANG>_USING_LINKER_<TYPE>` holds a
+  :ref:`semicolon-separated list <CMake Language Lists>` of flags to be passed
+  to the compiler frontend.  This is also the default behavior if
+  ``CMAKE_<LANG>_USING_LINKER_MODE`` is not set.
 
 ``TOOL``
   :variable:`CMAKE_<LANG>_USING_LINKER_<TYPE>` holds the path to the linker