fix(src): fix typos in files

fix typo in README and index.js

README.md

@@ -9,7 +9,7 @@ From teh codez:
 // Function to validate an email address.
 // This is a transliteration of the HTML5 email-validation logic
 // inside Firefox.  It splits the username and domain portions,
-// translates tham into IDN punycode syntax, then does some very
+// translates them into IDN punycode syntax, then does some very
 // basic sanity-checking.
 ```
 

index.js

@@ -5,7 +5,7 @@
 // Function to validate an email address.
 // This is a transliteration of the HTML5 email-validation logic
 // inside Firefox.  It splits the username and domain portions,
-// translates tham into IDN punycode syntax, then does some very
+// translates them into IDN punycode syntax, then does some very
 // basic sanity-checking.
 
 var punycode = require('punycode');