README file text corrections

Android/Hmac/README.md

@@ -1,15 +1,15 @@
 # HMAC plugin for Android/Phonegap #
 Ionut Voda <[email protected]>
 
-## About ## 
+## About ##
 
 The current plugin will help you produce UTF-8 compatible HMAC hashes(http://en.wikipedia.org/wiki/HMAC). It currently supports 2 hasher functions: sha1 which produces a HMAC-SHA1 hash and md5 which generates a HMAC-MD5.
 
 ## Installing the plugin ##
 
 There are no special steps to follow when installing the plugin beside the official recommendation http://wiki.phonegap.com/w/page/43708611/How%20to%20Install%20a%20PhoneGap%20Plugin%20for%20Android
 
-## Using the plugin ## 
+## Using the plugin ##
 
 <pre>
 // to generate a HMAC-SHA1 hash