typo in doc

Author: hc5duke

Diff for: README.rdoc

@@ -62,10 +62,10 @@ This expression produces:
 with the values 1, 2 and 3 from the beginning and we repeat that sequence of 1s, 2s
 and 3s as long as there are more elements to fill.
 
-Arrays can be of any dimension.  It you really want to try this you can but it's
+Arrays can be of any dimension.  If you really want to try this you can but it's
 between you and the Ruby runtime:
 
-  [42].j(12 12 12 12 12 12 12 $')
+  [42].j('12 12 12 12 12 12 12 $')
 
 The coup de grâce is the insert operator '/'.  You can use it to insert an operator
 between each element of an array and evaluate it. This is akin to Ruby's inject: