diff --git a/README.md b/README.md
index 71609325..1f42760c 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ ap object, options = {}
 Default options:
 
 ```ruby
-indent:        4,      # Number of spaces for indenting.
+indent:        4,      # Abs value is number of spaces for indenting. Negative makes it left aligned versus centered.
 index:         true,   # Display array indices.
 html:          false,  # Use ANSI color codes rather than HTML.
 multiline:     true,   # Display in multiple lines.
@@ -42,7 +42,7 @@ raw:           false,  # Do not recursively format instance variables.
 sort_keys:     false,  # Do not sort hash keys.
 sort_vars:     true,   # Sort instance variables.
 limit:         false,  # Limit arrays & hashes. Accepts bool or int.
-ruby19_syntax: false,  # Use Ruby 1.9 hash syntax in output.
+ruby19_syntax: false,  # Use Ruby>=1.9 hash syntax (trailing colon, no hash-rocket) in output.
 class_name:    :class, # Method called to report the instance class name. (e.g. :to_s)
 object_id:     true,   # Show object id.
 color: {
@@ -108,7 +108,7 @@ $ ruby 1.rb
 $ cat > 2.rb
 require "awesome_print"
 data = { :now => Time.now, :class => Time.now.class, :distance => 42e42 }
-ap data, :indent => -2  # <-- Left align hash keys.
+ap data, :indent => -2  # <-- Left align hash keys, indenting 2 spaces.
 ^D
 $ ruby 2.rb
 {