diff --git a/cli/cmdlineparser.cpp b/cli/cmdlineparser.cpp
index c3eaa5764..46e26703d 100644
--- a/cli/cmdlineparser.cpp
+++ b/cli/cmdlineparser.cpp
@@ -608,6 +608,9 @@ void CmdLineParser::PrintHelp()
               "    -v, --verbose        More detailed error reports\n"
               "    --version            Print out version number\n"
               "    --xml                Write results in xml to error stream.\n"
+              "    --xml-version=[version]\n"
+              "                         Select the XML file version. Currently versions 1 and 2\n"
+              "                         are available. The default version is 1."
               "\n"
               "Example usage:\n"
               "  # Recursively check the current folder. Print the progress on the screen and\n"