Help: Correct typos in CPack docs

Help/cpack_gen/archive.rst

@@ -29,7 +29,7 @@ packaging all source files of a project:
   set(CPACK_VERBATIM_VARIABLES YES)
   include(CPack)
 
-When this is generator is called from ``CPackConfig.cmake`` (or through the
+When this generator is called from ``CPackConfig.cmake`` (or through the
 ``package`` target), then the generated archive will contain all files
 that have been installed via CMake's :command:`install` command (and the
 deprecated commands :command:`install_files`, :command:`install_programs`,

Help/cpack_gen/ifw.rst

@@ -330,5 +330,5 @@ Qt Installer Framework Manual:
 * Promoting Updates:
   http://doc.qt.io/qtinstallerframework/ifw-updates.html
 
-Download Qt Installer Framework for you platform from Qt site:
+Download Qt Installer Framework for your platform from Qt site:
  http://download.qt.io/official_releases/qt-installer-framework