Updated location, and reduced examples

also added array [] access example.

ruby.html.markdown

@@ -4,6 +4,7 @@ filename: learnruby.rb
 contributors:
   - ["David Underwood", "http://theflyingdeveloper.com"]
   - ["Joel Walden", "http://joelwalden.net"]
+  - ["Luke Holder", "http://twitter.com/lukeholder"]
 ---
 
 ```ruby
@@ -30,6 +31,11 @@ You shouldn't either
 10 * 2 #=> 20
 35 / 5 #=> 7
 
+## Arithmetic is just syntactic sugar
+## for calling a method on an object
+1.+(3) #=> 4
+10.* 5 #=> 50 
+
 # Special values are objects
 nil # Nothing to see here
 true # truth
@@ -121,6 +127,12 @@ array = [1, "hello", false] #=> => [1, "hello", false]
 array[0] #=> 1
 array[12] #=> nil
 
+# Like arithmetic, [var] access
+# is just syntactic sugar
+# for calling a method [] on an object
+array.[] 0 #=> 1
+array.[] 12 #=> nil
+
 # From the end
 array[-1] #=> 5
 
@@ -313,21 +325,4 @@ dwight.name #=> "Dwight K. Schrute"
 # Call the class method
 Human.say("Hi") #=> "Hi"
 
-
-=begin
-Arithmetic is just syntactic sugar
-for calling a method on an object:
-=end
-1.+ 1  #=> 2
-1.+(1) #=> 2
-
-8.- 1 #=> 7
-8.-(1) #=> 7
-
-10.* 2 #=> 20
-10.*(2) #=> 20
-
-35./ 5 #=> 7
-35./(5) #=> 7
-
 ```