Improvements in utility help texts.

src/Magnum/Text/fontconverter.cpp

@@ -65,7 +65,7 @@ FontConverter::FontConverter(const Arguments& arguments): Platform::WindowlessAp
         .addOption("characters", "abcdefghijklmnopqrstuvwxyz"
                                  "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
                                  "0123456789?!:,. ").setHelp("characters", "characters to include in the output")
-        .addOption("font-size", "128").setHelpKey("font-size", "N").setHelp("font-size", "TTF font size")
+        .addOption("font-size", "128").setHelpKey("font-size", "N").setHelp("font-size", "input font size")
         .addOption("atlas-size", "2048 2048").setHelpKey("atlas-size", "\"X Y\"").setHelp("atlas-size", "glyph atlas size")
         .addOption("output-size", "256 256").setHelpKey("output-size", "\"X Y\"").setHelp("output-size", "output atlas size. If set to zero size, distance field computation will not be used.")
         .addOption("radius", "24").setHelpKey("radius", "N").setHelp("radius", "distance field computation radius")

src/Magnum/TextureTools/distancefieldconverter.cpp

@@ -65,12 +65,12 @@ class DistanceFieldConverter: public Platform::WindowlessApplication {
 DistanceFieldConverter::DistanceFieldConverter(const Arguments& arguments): Platform::WindowlessApplication(arguments, nullptr) {
     args.addArgument("input").setHelp("input", "input image")
         .addArgument("output").setHelp("output", "output image")
-        .addOption("importer", "TgaImporter").setHelp("image importer plugin")
+        .addOption("importer", "TgaImporter").setHelp("importer", "image importer plugin")
-        .addOption("converter", "TgaImageConverter").setHelp("image converter plugin")
+        .addOption("converter", "TgaImageConverter").setHelp("converter", "image converter plugin")
         .addOption("plugin-dir", MAGNUM_PLUGINS_DIR).setHelpKey("plugin-dir", "DIR").setHelp("plugin-dir", "base plugin dir")
         .addNamedArgument("output-size").setHelpKey("output-size", "\"X Y\"").setHelp("output-size", "size of output image")
         .addNamedArgument("radius").setHelpKey("radius", "N").setHelp("radius", "distance field computation radius")
-        .setHelp("Converts black&white image to distance-field representation.")
+        .setHelp("Converts black&white image to distance field representation.")
         .parse(arguments.argc, arguments.argv);
 
     createContext();