Updated help output

Author: Yasuhiro Asaka

Diff for: README.txt

@@ -21,7 +21,7 @@
 * Usage: docx2html file [options]
     -f, --format    Format of style and chapter {(fi|fachinfo)|(pi|patinfo)|(pl|plain)|none}, default fachinfo.
     -h, --help      Display this help message.
-    -l, --lang      Language option for templates {(de|fr)}
+    -l, --lang      Language option for templates {de|fr}
     -v, --version   Show version.
 
 == Using the great libraries

Diff for: lib/ydocx/command.rb

@@ -26,7 +26,7 @@ def help
 Usage: #{self.command} file [options]
   -f, --format    Format of style and chapter {(fi|fachinfo)|(pi|patinfo)|(pl|plain)|none}, default fachinfo.
   -h, --help      Display this help message.
-  -l, --lang      Language option for templates {(de|fr)}
+  -l, --lang      Language option for templates {de|fr}
   -v, --version   Show version.
         BANNER
         puts banner