Fix typo in libraries used section

Author: Fourat Janabi

README.md

@@ -31,7 +31,7 @@ $ npm install secure-ls
 
   Eg: `55e8f5585789191d350329b9ebcf2b11` and `db51d35aad96610683d5a40a70b20c39`.
 
-  For the genration of such strings, `secretPhrase` is being used and can be found in code easily but that won't make it unsecure, `PBKDF2`'s layer on top of that will handle security.
+  For the generation of such strings, `secretPhrase` is being used and can be found in code easily but that won't make it unsecure, `PBKDF2`'s layer on top of that will handle security.
 
 * **Compresion / Decompression** using [lz-string](https://github.com/pieroxy/lz-string)