fluid~: Update help message.

externals/fluid~/fluid~.c

@@ -54,9 +54,12 @@ static void fluid_help(void)
         "fluid~: a soundfont external for Pd and Max/MSP\n"
         "options:\n"
         "-smmf: enable SMMF mode (https://bitbucket.org/agraef/pd-smmf)\n"
+        "-g 1:  set the synth.gain value (0-10, default is 1)\n"
+        "-v:    verbose mode (post startup messages to Pd console)\n"
         "any other symbol: soundfont file to load on object creation\n"
         "messages:\n"
         "load /path/to/soundfont.sf2  --- Loads a Soundfont\n"
+        "gain 1                       --- Change the gain value (0-10)\n"
         "note 0 0 0                   --- Play note, arguments:\n"
         "                                 channel-# note-#  veloc-#\n"
         "n 0 0 0                      --- Play note, same as above\n"