Updated README.md

README.md

@@ -1,2 +1,15 @@
 # password_hasher
-Python utility to hash passwords
+Python utility to hash passwords. Often when creating a user, a hashed password is needed. This cammond line utility can simply hash the password or multiple parameters can be passed to replicated. password, salt, hashing algorithm, pass+salt concatination order, and number of iterations can all be specified.
+
+## help
+Usage: password_hash.py [options] PASSWORD
+
+Options:
+  -h, --help            show this help message and exit
+  -s SALT, --salt=SALT  specify salt
+  -i ITERATIONS, --iterations=ITERATIONS
+                        specify number of iterations to hash password
+  -o ORDER, --order=ORDER
+                        order the password and salt ex. "ps" to append salt
+  --hash=HASH           hash algorithm to be used
+  --hash-algorithms     display available hash algorithms and exit