diff --git a/frontend_csfml.c b/frontend_csfml.c
index 756a85e..770ba5c 100644
--- a/frontend_csfml.c
+++ b/frontend_csfml.c
@@ -65,10 +65,11 @@ void LCR_drawPixel(unsigned long index, uint16_t color)
 void printHelp(void)
 {
   printf(
-    "Licar, 3D racing game, v. " LCR_VERSION ", CSFML frontend, args:\n"
+    "Licar, 3D racing game, v. " LCR_VERSION " (physics v. %c%c),"
+    " CSFML frontend, args:\n"
     "  -h   print help and quit\n"
     "  -wN  window (N = 1) or fullscreen (N = 0)\n"
-    LCR_ARG_HELP_STR);
+    LCR_ARG_HELP_STR,LCR_RACING_VERSION1,LCR_RACING_VERSION2);
 }
 
 sfBool soundFill(sfSoundStreamChunk *data, void *userdata)
diff --git a/frontend_sdl.c b/frontend_sdl.c
index d606ef5..fb09bd3 100644
--- a/frontend_sdl.c
+++ b/frontend_sdl.c
@@ -114,10 +114,11 @@ void LCR_drawPixel(unsigned long index, uint16_t color)
 void printHelp(void)
 {
   printf(
-    "Licar, 3D racing game, v. " LCR_VERSION ", SDL frontend, args:\n"
+    "Licar, 3D racing game, v. " LCR_VERSION " (physics v. %c%c),"
+    " SDL frontend, args:\n"
     "  -h   print help and quit\n"
     "  -wN  window (N = 1) or fullscreen (N = 0)\n"
-    LCR_ARG_HELP_STR);
+    LCR_ARG_HELP_STR,LCR_RACING_VERSION1,LCR_RACING_VERSION2);
 }
 
 void mainLoopIteration(void)
diff --git a/frontend_x11.c b/frontend_x11.c
index 14d7984..f913739 100644
--- a/frontend_x11.c
+++ b/frontend_x11.c
@@ -51,9 +51,10 @@ void LCR_sleep(uint16_t timeMs)
 void printHelp(void)
 {
   printf(
-    "Licar, 3D racing game, v. " LCR_VERSION ", X11 frontend, args:\n"
+    "Licar, 3D racing game, v. " LCR_VERSION " (physics v. %c%c),"
+    " X11 frontend, args:\n"
     "  -h   print help and quit\n"
-    LCR_ARG_HELP_STR);
+    LCR_ARG_HELP_STR,LCR_RACING_VERSION1,LCR_RACING_VERSION2);
 }
 
 int main(int argc, char **argv)