From a1b8fcbf3027241b1759458127e55d5e8949d2c1 Mon Sep 17 00:00:00 2001
From: InsanusMokrassar <insanus-mokrassar@yandex.ru>
Date: Fri, 23 Mar 2018 16:58:21 +0800
Subject: [PATCH] Update README.md

Add helpfull description for help message showing
---
 README.md | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/README.md b/README.md
index 2edca5b..911d1a2 100644
--- a/README.md
+++ b/README.md
@@ -440,6 +440,15 @@ The creation of the `--help` option can be disabled by passing `null` as the
 constructing a `HelpFormatter` instance. In the above example a
 `DefaultHelpFormatter` was created with the prologue and epilogue.
 
+For correct show help message you must add handler for help exception:
+```
+val parser = try {
+    ArgParser(args).parseInfo(::YourParser)
+} catch (e: ShowHelpException) {
+    e.printAndExit()
+}
+```
+
 
 ## Caveats