diff --git a/checkin_notes b/checkin_notes
index 96f6f759d3..9965feecef 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -946,7 +946,7 @@ Charlie Jan 29 2009
 Charlie Jan 30 2009
     - MGR: Suppress Skin Manager error messages by default; enable them 
         only if the Manager is launched from the command line with an 
-        argument -c or --checkSkins.
+        argument -c or --checkskins.
         
     clientgui/
         BOINCGUIApp.cpp, .h
diff --git a/clientgui/BOINCGUIApp.cpp b/clientgui/BOINCGUIApp.cpp
index fc09f711ab..d604c8d774 100644
--- a/clientgui/BOINCGUIApp.cpp
+++ b/clientgui/BOINCGUIApp.cpp
@@ -517,7 +517,7 @@ void CBOINCGUIApp::OnInitCmdLine(wxCmdLineParser &parser) {
         { wxCMD_LINE_SWITCH, wxT("s"), wxT("systray"), _("Startup BOINC so only the system tray icon is visible")},
         { wxCMD_LINE_SWITCH, wxT("b"), wxT("boincargs"), _("Startup BOINC with these optional arguments")},
         { wxCMD_LINE_SWITCH, wxT("i"), wxT("insecure"), _("disable BOINC security users and permissions")},
-        { wxCMD_LINE_SWITCH, wxT("c"), wxT("checkSkins"), _("set skin debugging mode to enable skin manager error messages")},
+        { wxCMD_LINE_SWITCH, wxT("c"), wxT("checkskins"), _("set skin debugging mode to enable skin manager error messages")},
         { wxCMD_LINE_NONE}  //DON'T forget this line!!
     };
     parser.SetDesc(cmdLineDesc);