1 files changed, 14 insertions, 8 deletions
diff --git a/ruby.html.markdown b/ruby.html.markdown
index 2c9a4cb9..38d060a3 100644
--- a/ruby.html.markdown
+++ b/ruby.html.markdown
@@ -43,17 +43,18 @@ false.class #=> FalseClass
 1 == 1 #=> true
 2 == 1 #=> false
 
-# apart from false itself, nil is the only other 'falsey' value
-
-nil == false #=> true
-0 == false #=> false
-
 # Inequality
 1 != 1 #=> false
 2 != 1 #=> true
 !true  #=> false
 !false #=> true
 
+# apart from false itself, nil is the only other 'falsey' value
+
+!nil   #=> true
+!false #=> true
+!0     #=> false
+
 # More comparisons
 1 < 10 #=> true
 1 > 10 #=> false
@@ -194,6 +195,7 @@ end
 counter = 1
 while counter <= 5 do
   puts "iteration #{counter}"
+  counter += 1
 end
 #=> iteration 1
 #=> iteration 2
@@ -214,7 +216,9 @@ when 'D'
   puts "Scraping through"
 when 'F'
   puts "You failed!"
-
+else 
+  puts "Alternative grading system, eh?"
+end
 
 # Functions
 
@@ -263,7 +267,7 @@ class Human
     @@species = "H. sapiens"
 
     # Basic initializer
-    def initialize(name, age=0):
+    def initialize(name, age=0)
         # Assign the argument to the "name" instance variable for the instance
         @name = name
         # If no age given, we will fall back to the default in the arguments list.
@@ -281,7 +285,7 @@ class Human
     end
 
     # A class method uses self to distinguish from instance methods.
-    $ It can only be called on the class, not an instance.
+    # It can only be called on the class, not an instance.
     def self.say(msg)
        puts "#{msg}"
     end
@@ -301,6 +305,8 @@ dwight = Human.new("Dwight K. Schrute")
 # Let's call a couple of methods
 jim.species #=> "H. sapiens"
 jim.name #=> "Jim Halpert"
+jim.name = "Jim Halpert II" #=> "Jim Halpert II"
+jim.name #=> "Jim Halpert II"
 dwight.species #=> "H. sapiens"
 dwight.name #=> "Dwight K. Schrute"