Minor changes to documentation & examples

Author: Peter Vandenberk

README.md

@@ -25,12 +25,12 @@ that `ar` selects _all_ of a ruby block, and `ir` selects the _inner_ portion
 of a rubyblock.
 
 In ruby, a block is always closed with the `end` keyword. Ruby blocks may be
-opened using one of several keywords, including `module`, `class`, `def` `if`
-and `do`. This example demonstrates a few of these:
+opened using one of several keywords, including `module`, `class`, `def`, `if`,
+`unless` and `do`. This example demonstrates a few of these:
 
     module Foo
       class Bar
-        def Baz
+        def baz
           [1,2,3].each do |i|
             i + 1
           end
@@ -42,7 +42,7 @@ Suppose your cursor was positioned on the word `def`. Typing `var` would
 enable visual mode selecting _all_ of the method definition. Your selection
 would comprise the following lines:
 
-    def Baz
+    def baz
       [1,2,3].each do |i|
         i + 1
       end