doc: improve help text regarding mt32 roms (fixes #1287)

src/osdep/gui/PanelIOPorts.cpp

@@ -447,15 +447,17 @@ bool HelpPanelIO(std::vector<std::string>& helptext)
 	helptext.emplace_back("uaeserial.device: You can use this option if you want to use multiple serial ports,");
 	helptext.emplace_back("         by mapping Amiga side unit X = host serial port X");
 	helptext.emplace_back(" ");
-	helptext.emplace_back("MIDI Out/In: If you have any MIDI devices connected, you can select them here.");
-	helptext.emplace_back("         Amiberry uses the PortMidi library to send and receive MIDI messages.");
-	helptext.emplace_back("         Amiberry also offers the option to emulate a Roland MT-32 MIDI device,");
-	helptext.emplace_back("         if you have the required ROMs installed. The dropdown will indicate if");
-	helptext.emplace_back("         the required ROM files were detected or not. Please note that the path");
-	helptext.emplace_back("         Amiberry will look for, is hardcoded to be \"<kickstarts dir>/mt32-roms\".");
-	helptext.emplace_back("         If the ROMs were detected, you can set the MIDI Out to an MT-32 option and");
-	helptext.emplace_back("         use any software that makes use of it (e.g. several Sierra games).");
-	helptext.emplace_back("         The audio output is mixed with Paula's output.");
+	helptext.emplace_back("MIDI Out/In: Amiberry uses the PortMidi library to send and receive MIDI messages,");
+	helptext.emplace_back("         so if you have any MIDI devices connected, you can select them here. You");
+	helptext.emplace_back("         can also emulate a Roland MT-32 MIDI device using Amiberry, if you have");
+	helptext.emplace_back("         the required MT-32 ROM files installed. Please note that the path for ");
+	helptext.emplace_back("         these ROM files must be in your System ROMs: directory as set in the ");
+	helptext.emplace_back(R"(       "Paths" panel, or inside a "mt32-roms" directory under that location.)");
+	helptext.emplace_back(" ");
+	helptext.emplace_back("         If the required MT-32 ROMs are detected by Amiberry, you can then select");
+	helptext.emplace_back("         the emulated MT-32 device, using the MIDI \"Out:\" dropdown options. This");
+	helptext.emplace_back("         allows you to use any Amiga software that makes use of it (several Sierra");
+	helptext.emplace_back("         games for example). The audio output here is mixed with Paula's output.");
 	helptext.emplace_back(" ");
 	helptext.emplace_back("Route MIDI In to MIDI Out: This option will reroute the MIDI In to the MIDI Out port,");
 	helptext.emplace_back("         as the name implies.");

src/osdep/gui/PanelPaths.cpp

@@ -782,11 +782,11 @@ bool HelpPanelPaths(std::vector<std::string>& helptext)
         helptext.emplace_back(" ");
         helptext.emplace_back("The paths for Amiberry resources include;");
         helptext.emplace_back(" ");
-        helptext.emplace_back("- System ROMs: The Amiga Kickstart files are by default located under 'kickstarts'.");
-        helptext.emplace_back("  After changing the location of the Kickstart ROMs, or adding additional ROMs, ");
-        helptext.emplace_back("  click on the \"Rescan\" button to refresh the list of the available ROMs. Please");
-        helptext.emplace_back("  note that the directory \"mt32-roms\" must exist in this location, and contain the");
-        helptext.emplace_back("  required MT-32 roms if you wish to use that MIDI feature in Amiberry.");
+		helptext.emplace_back("- System ROMs: The Amiga Kickstart files are by default located under 'kickstarts'.");
+		helptext.emplace_back("  After changing the location of the Kickstart ROMs, or adding any additional ROMs, ");
+		helptext.emplace_back("  click on the \"Rescan\" button to refresh the list of the available ROMs. Please");
+		helptext.emplace_back("  note that MT-32 ROM files may also reside here, or in a \"mt32-roms\" directory");
+		helptext.emplace_back("  at this location, if you wish to use the MT-32 MIDI emulation feature in Amiberry.");
         helptext.emplace_back(" ");
         helptext.emplace_back("- Configuration files: These are located under \"conf\" by default. This is where your");
         helptext.emplace_back("  configurations will be stored, but also where Amiberry keeps the special amiberry.conf");