[Fixed] typo correction preferring longer words over perfect fits

app/src/main/java/de/yannicpunktdee/yoshibot/command/commands/PlayCommand.java

@@ -55,7 +55,8 @@ public class PlayCommand extends YoshiCommand {
 				sendErrorMessage("Konnte keinen Audiochannel auswählen.");
 				return false;
 			}
-			context.getEvent().getMessage().getTextChannel().sendMessage("Spiele '" + requestedFile + "' in '" + vc.getName() + "' ab").queue();
+			context.getEvent().getMessage().getTextChannel()
+					.sendMessage("Spiele '" + requestedFile + "' in '" + vc.getName() + "' ab").queue();
 			YoshiBot.getInstance().playSound(file, vc);
 		}
 		
@@ -63,11 +64,12 @@ public class PlayCommand extends YoshiCommand {
 	}
 	
 	private String getBestMatch(String word, List<String> choices) {
-		Map<String, Integer> hammingDists =
+		Map<String, Double> hammingDists =
 				choices.parallelStream()
 						.collect(Collectors.toMap(file -> file,
-												  file -> maximalMatchingChars(file, word) * choices.size() +
-														  file.length()));
+												  file -> (double) maximalMatchingChars(file, word) /
+														  Math.max(file.length(),
+																   word.length())));
 		return hammingDists.keySet().stream()
 				.max((file1, file2) -> (int) Math.signum(hammingDists.get(file1) - hammingDists.get(file2)))
 				.orElse(choices.get(0));