diff --git a/cli/cmdlineparser.cpp b/cli/cmdlineparser.cpp
index 1599b2aa1..fc3527769 100644
--- a/cli/cmdlineparser.cpp
+++ b/cli/cmdlineparser.cpp
@@ -852,6 +852,7 @@ void CmdLineParser::PrintHelp()
               "                         provided. Note that your operating system can modify\n"
               "                         this value, e.g. '256' can become '0'.\n"
               "    --errorlist          Print a list of all the error messages in XML format.\n"
+              "    --doc                Print a list of all available checks.\n"
               "    --exitcode-suppressions=<file>\n"
               "                         Used when certain messages should be displayed but\n"
               "                         should not cause a non-zero exitcode.\n"