1 files changed, 6 insertions, 3 deletions
diff --git a/doc/ruby/mixed_names.rb b/doc/ruby/mixed_names.rb
index e886049821..67f81e7e8d 100644
--- a/doc/ruby/mixed_names.rb
+++ b/doc/ruby/mixed_names.rb
@@ -1,9 +1,12 @@
 require 'optparse'
 parser = OptionParser.new
-parser.on('-x', '--xxx') do |value|
+parser.on('-x', '--xxx', 'Short and long, no argument') do |value|
   p ['--xxx', value]
 end
-parser.on('-y', '--y1%') do |value|
-  p ['--y1%', value]
+parser.on('-yYYY', '--yyy', 'Short and long, required argument') do |value|
+  p ['--yyy', value]
+end
+parser.on('-z [ZZZ]', '--zzz', 'Short and long, optional argument') do |value|
+  p ['--zzz', value]
 end
 parser.parse!