diff --git a/README.md b/README.md
index 396a348..7c0ba64 100644
--- a/README.md
+++ b/README.md
@@ -12,38 +12,37 @@ The gem should be compatible with most Ruby versions.
 
 ## USAGE
 
-    require 'iban-tools'
+```rb
+require 'iban-tools'
 
-    IBANTools::IBAN.valid?("GB82 WEST 1234 5698 7654 32")
-    => true
+IBANTools::IBAN.valid?("GB82 WEST 1234 5698 7654 32") #=> true
+```
 
 Advanced usage, gives more detailed error messages
 
-    IBANTools::IBAN.new("XQ75 BADCODE 666").validation_errors
-    => [:unknown_country_code, :bad_check_digits]
+```rb
+IBANTools::IBAN.new("XQ75 BADCODE 666").validation_errors
+# => [:unknown_country_code, :bad_check_digits]
+```
 
 Pretty print, canonicalize, and extract fields from an IBAN code
 
-    iban = IBANTools::IBAN.new(" ro49  aaaa 1B31007593840000")
+```rb
+iban = IBANTools::IBAN.new(" ro49  aaaa 1B31007593840000")
 
-    iban.code
-    => "RO49AAAA1B31007593840000"
+iban.code # => "RO49AAAA1B31007593840000"
+iban.country_code # => "RO"
+iban.prettify # => "RO49 AAAA 1B31 0075 9384 0000"
+```
+    
+Convert local account numbers to IBAN and back to local. 
 
-    iban.country_code
-    => "RO"
+```rb
+iban = IBANTools::IBAN.from_local('NO', bank_code: '9710', account_number: '1112222', check_digit: '7')
 
-    iban.prettify
-    => "RO49 AAAA 1B31 0075 9384 0000"
-    
-Convert  local account numbers to IBAN and back to local. 
-    
-    iban = IBANTools::IBAN.from_local('NO', bank_code: '9710', account_number: '1112222', check_digit: '7')
-    
-    iban.code
-    => "NO6197101112227"
-    
-    iban.to_local
-    => {:bank_code=>"9710", :account_number=>"111222", :check_digit=>"7"}
+iban.code # => "NO6197101112227"
+iban.to_local # => {:bank_code=>"9710", :account_number=>"111222", :check_digit=>"7"}
+```
 
 ## Credit