diff --git a/README.md b/README.md
index f2da91e..076762b 100644
--- a/README.md
+++ b/README.md
@@ -33,14 +33,15 @@ ap object, options = {}
 Default options:
 
 ```ruby
-:indent     => 4,      # Indent using 4 spaces.
-:index      => true,   # Display array indices.
-:html       => false,  # Use ANSI color codes rather than HTML.
-:multiline  => true,   # Display in multiple lines.
-:plain      => false,  # Use colors.
-:raw        => false,  # Do not recursively format object instance variables.
-:sort_keys  => false,  # Do not sort hash keys.
-:limit      => false,  # Limit large output for arrays and hashes. Set to a boolean or integer.
+:indent          => 4,      # Indent using 4 spaces.
+:index           => true,   # Display array indices.
+:html            => false,  # Use ANSI color codes rather than HTML.
+:multiline       => true,   # Display in multiple lines.
+:plain           => false,  # Use colors.
+:raw             => false,  # Do not recursively format object instance variables.
+:sort_keys       => false,  # Do not sort hash keys.
+:limit           => false,  # Limit large output for arrays and hashes. Set to a boolean or integer.
+:new_hash_syntax => false,  # Use the JSON like syntax { foo: 'bar' }, when the key is a symbol
 :color => {
   :args       => :pale,
   :array      => :white,