Update readme

README.md

@@ -6,6 +6,7 @@ This is supposed to be a standalone, simple to use, fully tested and stable impl
 
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 ## Quickstart
@@ -106,7 +107,7 @@ Note that some existing KDF specifications, such as NIST Special Publication 800
 
 ### Use Cases
 
-HKDF is intended for use in a wide variety of KDF applications. Some applications will not be able to use HKDF "as-is" due to specific operational requirements. One significant example is the derivation of cryptographic keys from a source of low entropy, such as a user's password. In the case of password-based KDFs, a main goal is to slow down dictionary attacks HKDF naturally accommodates the use of salt; however, a slowing down mechanism is not part of this specification. Therfore other KDFs might be considered like: PKDF2, bcryt, scrypt or Argon2
+HKDF is intended for use in a wide variety of KDF applications. Some applications _will not be able_ to use HKDF "as-is" due to specific operational requirements. One significant example is the derivation of cryptographic keys from a source of low entropy, such as a user's password. In the case of _password-based KDFs_, a main goal is to slow down dictionary attacks. HKDF naturally accommodates the use of salt; _however, a slowing down mechanism is not part of this specification_. Therefore, for a user's password, other KDFs might be considered like: [PKDF2](https://en.wikipedia.org/wiki/PBKDF2), [bcryt](https://en.wikipedia.org/wiki/Bcrypt), [scrypt](https://en.wikipedia.org/wiki/Scrypt) or [Argon2](https://github.com/P-H-C/phc-winner-argon2) which are all designed to be computationally intensive.
 
 #### Key Derivation
 

src/main/java/at/favre/crypto/HKDF.java

@@ -19,7 +19,6 @@
  * This implementation is thread safe without the need for synchronization.
  * <p>
  * Simple Example:
- * <p>
  * <pre>
  *     byte[] pseudoRandomKey = HKDF.fromHmacSha256().extract(lowEntropyInput, null);
  *     byte[] outputKeyingMaterial = HKDF.fromHmacSha256().expand(pseudoRandomKey, null, 64);
@@ -87,7 +86,6 @@ public static HKDF from(HkdfMacFactory macFactory) {
      * This is done by utilising the diffusion properties of cryptographic MACs.
      * <p>
      * <strong>About Salts (from RFC 5869):</strong>
-     * <p>
      * <blockquote>
      * HKDF is defined to operate with and without random salt.  This is
      * done to accommodate applications where a salt value is not available.
@@ -116,7 +114,6 @@ public byte[] extract(byte[] inputKeyingMaterial, byte[] salt) {
      * are utilised.
      * <p>
      * <strong>About Info (from RFC 5869):</strong>
-     * <p>
      * <blockquote>
      * While the 'info' value is optional in the definition of HKDF, it is
      * often of great importance in applications.  Its main objective is to